Circular chemicals or polymers from pyrolyzed plastic waste and the use of mass balance accounting to allow for crediting the resultant products as circular

ABSTRACT

This disclosure relates to the production of chemicals and plastics using pyrolysis oil from the pyrolysis of plastic waste as a co-feedstock along with a petroleum-based or fossil fuel co-feed, or as a feedstock in the absence of a petroleum-based or fossil fuel co-feed. A mass balance accounting approach is employed to attribute the pounds of pyrolyzed plastic products derived from pyrolysis oil to any output stream of a given unit, which permits assigning circular product credit to product streams. In an aspect, the polymers and chemicals produced according to this disclosure can be certified under International Sustainability and Carbon Certification (ISCC) provisions as circular polymers and chemicals at any point along complex chemical reaction pathways.

CROSS REFERENCE TO RELATED APPLICATIONS

This application is a continuation of U.S. patent application Ser. No.17/487,770, filed Sep. 28, 2021, which claims the benefit of U.S.Provisional Patent Application No. 63/084,311, filed Sep. 28, 2020,which is incorporated herein by reference in its entirety.

TECHNICAL FIELD OF THE DISCLOSURE

This disclosure relates to the production of chemicals and plasticsusing pyrolysis oil from the pyrolysis of plastic waste as a chemicalsfeedstock or co-feedstock along with a petroleum-based, fossilfuel-based, or bio-based feedstock.

BACKGROUND OF THE DISCLOSURE

The worldwide environmental impact associated with discarded plasticwaste products is substantial, and the incentive to recycle plasticwastes is pervasive. However, there are significant and persistentproblems in conventional recycling methods for plastic products. Themelts generated from recycled plastics almost invariably include a rangeof different types of plastics, which tend to separate into differentphases. This phase separation results in structural weakness in therecycled product, and significant proportion of virgin plastic mustusually be blended in to impart structural integrity to the product.

An alternative recycling method which is potentially more economicallyviable is feedstock recycling through the use of pyrolyzed plastic wastematerials. Pyrolysis breaks down the polymeric components into an oily,liquid material referred to as pyrolysis oil, which can be recycled in arefinery or chemical plant as a feedstock or co-feedstock into variousprocessing units. One hurdle in using pyrolysis oil or most recyclingmethods, is achieving economic viability. This goal of sustainability inthe polymer industry requires economic practicality, which is made moredifficult when attempting to accurately account for circular productcontent.

Therefore, what are needed are improved processes for using pyrolysisoil as a feedstock or co-feedstock. An approved and relatively simpleprocess of accounting for the circular product content might enhance theeconomics of using pyrolysis oil, and provide advantages underregulatory provisions. In addition, the ability to adjust the relativeproportions of co-feedstocks while using a simple accounting process forthe circular product content would be useful.

SUMMARY OF THE DISCLOSURE

This disclosure provides for processes and methods for using pyrolysisoil as a feedstock or co-feedstock, for example, in a fluid catalyticcracker or steam cracker, and establishing the weight or fraction ofcircular product in the resulting chemical or polymer in the productstream through an approved and simple process. In an aspect, thepolymers and chemicals of this disclosure can be certified in accordancewith the International Sustainability and Carbon Certification (ISCC)provisions, as circular polymers and chemicals. Moreover, thisdisclosure demonstrates how polymers and chemicals may be certified ascircular at any point along complex chemical reaction pathways, evenwhen remote from the point of introduction of the pyrolysis oil. Theability to trace the content of the polymer or chemicals to the originalpyrolysis oil co-feedstock allows the ISCC certification to be made.

In an aspect, the production of chemicals and polymers through the useof pyrolysis oil from the pyrolysis of plastic waste as a feedstock orco-feedstock disclosed herein uses a method of tracking the mass balancethrough a series of processes through which pyrolysis oil is routedwithin a refinery or chemical plant. For example, these routings caninclude, but are not limited to:

-   -   (a) processing refinery NGLs (natural gas liquids) with        pyrolysis oil to produce circular ethylene and subsequently        routing the circular ethylene to produce circular polyethylene;    -   (b) processing refinery NGLs with pyrolysis oil to produce        circular ethylene, subsequently routing the circular ethylene to        produce circular NAOs (Normal Alpha Olefins), and using the        circular NAOs in the production of lubricants, detergents,        waxes, and the like;    -   (c) processing refinery NGLs with pyrolysis oil to produce        circular ethylene, subsequently routing the circular ethylene to        produce circular alpha olefins such as 1-hexene, and using the        circular ethylene and circular 1-hexene to produce circular        poly(ethylene-co-1-hexene);    -   (d) using pyrolysis oil as a feedstock or co-feedstock along        with a petroleum-based, fossil fuel-based, or bio-based        feedstock to produce other ethylene unit products such as        propylene, 1-3 butadiene, hydrogenated pyrolysis gasoline (HPG),        and the like;    -   (e) processing the refinery naphtha from pyrolysis oil or with        pyrolysis oil in a reforming unit such as the AROMAX® process        unit to produce circular benzene and then routing the circular        benzene to produce circular ethylbenzene and circular styrene,        which can ultimately produce a circular polystyrene;    -   (f) processing the refinery naphtha from pyrolysis oil or with        pyrolysis oil in a reforming unit such as the AROMAX® process        unit to produce circular benzene and then routing the benzene to        produce a circular cyclohexane which can ultimately produce a        circular nylon; and    -   (g) processing petroleum and pyrolysis oil in a refinery crude        unit to produce circular naphtha, subsequently using the        circular naphtha to produce circular benzene.        These and many other routings of circular product are disclosed        herein, each of which allows ISCC certification of a product as        circular even when several process steps removed from the        introduction of the pyrolysis oil.

According to an aspect, the use of a mass balance approach whichattributes the pounds of pyrolyzed plastic products derived frompyrolysis oil to any product of an output stream of a given unit hasbeen developed, which permits ISCC certification agency approval. TheISCC Sustainability Declarations are issued for discrete mass quantitiesof product, therefore certification is for a particular product weight.Conversion factors for use in the certification calculation may varyconsiderably depending upon the particular reactor, processing unit, andconditions, and conversion factors are predetermined. The certificationcalculation of the weight of circular product is based upon theassumption that most of the weight of the pyrolysis oil added into thecracker and mixed with a petroleum-based, fossil fuel-based, orbio-based feed is also manifested in the circular product. Therefore,this calculation assumes that the conversion rate applies to thepyrolysis oil portion of the feed as well as the petroleum-based, fossilfuel-based, or bio-based feedstock.

As demonstrated in the Examples, this certification process uses a freeattribution method to assign circular product credit to every productstream, minus any waste streams such as the portion of the stream whichis flared. Moreover, the free attribution method allows all the creditproduced from mixing a pyrolysis oil stream with a petroleum-based,fossil fuel-based, or bio-based feed to be distributed as desired to anyor all of the products from a processing unit, again less any waste. Forexample, as long as pyrolysis oil is used to generate ethylene,propylene, fuel gas, and any other product which is recovered from astream, the total circular product credit from all the recovered productcan be taken as circular ethylene.

Therefore, in an aspect, this disclosure provides a process forproducing chemicals or polymers from plastic waste, the processcomprising:

-   -   (a) introducing (i) a pyrolysis oil and (ii) a petroleum-based,        fossil fuel-based, or bio-based feed, each at a known feed rate,        into a processing unit as a processing unit feed, wherein the        feed comprises the pyrolysis oil in a known concentration;    -   (c) converting the processing unit feed into one or more        processing unit output streams, a portion of each output stream        comprising at least one circular product, wherein the weight or        the fraction of each circular product attributable to the        pyrolysis oil or plastic waste is determined by mass balance;        and    -   (c) certifying any one or more of the products in the processing        unit output streams as Circular in accordance with International        Sustainability and Carbon Certification (ISCC) standards, based        upon the weight or fraction of the circular product attributable        to the pyrolysis oil or plastic waste determined by mass balance        and the free attribution method.        As described hereinbelow, the step of introducing (ii) a        petroleum-based, fossil fuel-based, or bio-based feed along with        the pyrolysis oil is an optional step, because the processing        unit feed can constitute pyrolysis oil in the absence of a        petroleum-based, fossil fuel-based, or bio-based feed.

According to another aspect, this disclosure provides a process forproducing chemicals or polymers from plastic waste, the processcomprising:

-   -   (a) providing a pyrolysis oil from plastic waste;    -   (b) providing a petroleum-based, fossil fuel-based, or bio-based        feed;    -   (c) introducing the pyrolysis oil and the petroleum-based,        fossil fuel-based, or bio-based feed, each at a known feed rate,        into one or more primary processing units, thereby providing one        or more primary processing unit feeds, each comprising the        pyrolysis oil in a known concentration; and    -   (d) converting the one or more primary processing unit feeds        into one or more primary processing unit output streams, a        portion of each output stream comprising at least one circular        product, wherein the weight or the fraction of each circular        product attributable to the pyrolysis oil or plastic waste is        determined by mass balance.

In a further aspect, this process for producing chemicals or polymersfrom plastic waste can further comprise:

-   -   (e) transferring at least a portion of one, or at least a        portion of more than one, of the primary processing unit output        streams, each at a known feed rate, into one or more secondary        or subsequent processing units, thereby providing one or more        secondary or subsequent processing unit feeds, each comprising a        circular product in a known concentration; and    -   (f) converting the one or more secondary or subsequent        processing unit feeds into one or more secondary or subsequent        processing unit output streams, a portion of each output stream        comprising at least one circular product, wherein the weight or        the fraction of each circular product attributable to the        pyrolysis oil or plastic waste is determined by mass balance;        and    -   (g) repeating steps (e) and (f) any number of times (zero or        more) by:        -   [1] transferring at least a portion of one, or at least a            portion of more than one, of the secondary or subsequent            processing unit output streams, each at a known feed rate,            into one or more tertiary or subsequent processing units,            thereby providing one or more tertiary or subsequent            processing unit feeds, each comprising a circular product in            a known concentration; and        -   [2] converting the one or more tertiary or subsequent            processing unit feeds into one or more tertiary or            subsequent processing unit output streams, a portion of each            output stream comprising at least one circular product,            wherein the weight or the fraction of each circular product            attributable to the pyrolysis oil or plastic waste is            determined by mass balance.

In either of the preceding Aspects (a)-(d) or (a)-(g), the process canfurther comprise:

-   -   (h) certifying any one or more of the products in the primary        processing unit output streams, secondary processing unit output        streams, or tertiary or subsequent processing unit output        streams, as Circular in accordance with International        Sustainability and Carbon Certification (ISCC) standards, based        upon the weight or fraction of the circular product attributable        to the pyrolysis oil or plastic waste determined by mass balance        and the free attribution method.

According to a further aspect, it has been discovered that largerproportions of pyrolysis oil can be used as a feedstock than previouslyrealized. In this aspect, a majority of a feedstock weight, for examplein a fluid catalytic cracker or steam cracker, can constitute pyrolysisoil. It has also been realized that such a feedstock can be entirelypyrolysis oil without the need for any petroleum-based or a fossilfuel-based co-feed. In the case of using 100 wt % pyrolysis oil or apyrolysis product as a feed, the entire weight or fraction of theresulting chemical or polymer product can be a circular product.

Accordingly, in a further aspect, this disclosure provides a process forproducing chemicals or polymers from plastic waste, the processcomprising:

-   -   (a) providing a pyrolysis oil from plastic waste;    -   (b) introducing the pyrolysis oil at a known feed rate into one        or more primary processing units thereby providing one or more        primary processing unit feeds comprising the pyrolysis oil; and    -   (c) converting the one or more primary processing unit feeds        into one or more primary processing unit output streams, each        output stream comprising at least one circular product, wherein        the weight or the fraction of each circular product attributable        to the pyrolysis oil or plastic waste is determined by mass        balance.        In an aspect of the process described immediately above, a        petroleum-based or a fossil fuel-based feed is not co-fed with        the pyrolysis oil into the primary processing unit. In another        aspect, the pyrolysis oil can be present in the primary        processing unit feed in a concentration of 100 wt % or about 100        wt %. According to another embodiment or aspect, a        petroleum-based, fossil fuel-based, or bio-based feed can be        utilized as a co-feed as described above. In this embodiment,        preferably the petroleum-based or fossil fuel-based feedstock is        co-fed in an amount of 50 wt % or less.

In the above-described aspects, the terms primary, secondary, tertiary,and subsequent are used to designate reactor priorities in series, whilethe terms first, second, and third designate reactors at the same levelof priority. Therefore, the above-described aspects allow the trackingof a product through any number of reactors in parallel, in series, orin a combination of parallel and series, while accounting for theportion of circular product at each and every stage.

BRIEF DESCRIPTION OF THE FIGURES

FIG. 1 illustrates aspects of the disclosure showing exemplary processflowchart routings following the introduction of pyrolysis oil as aco-feedstock with natural gas liquids (NGL) to a cracker. For eachillustrated product, even those removed several steps from theintroduction of the pyrolysis oil, the fraction or percent of circularproduct can be demonstrated using the mass balance accounting approachdisclosed herein.

FIG. 2 illustrates other aspects of the disclosure showing furtherexemplary process routings following the introduction of pyrolysis oilas a co-feedstock with natural gas liquids (NGL) to a cracker. Thefraction or percent of circular product can be demonstrated for eachproduct using the mass balance accounting approach disclosed herein.

DETAILED DESCRIPTION OF THE DISCLOSURE

General Description

Provided in this disclosure are processes and methods for usingpyrolysis oil as a feedstock or co-feedstock and establishing through anapproved and simple process the weight or portion of circular product inthe resulting chemical or polymer in the product stream. In an aspect,the polymers and chemicals of this disclosure can be certified inaccordance with the International Sustainability and CarbonCertification (ISCC) provisions, as circular polymers and chemicals. Thedisclosed mass balance accounting approach allows any product orintermediate in a reaction pathway to certified as circular.

Definitions

To define more clearly the terms used herein, the following definitionsare provided, and unless otherwise indicated or the context requiresotherwise, these definitions are applicable throughout this disclosure.If a term is used in this disclosure but is not specifically definedherein, the definition from the IUPAC Compendium of ChemicalTerminology, 2^(nd) Ed (1997) can be applied, as long as that definitiondoes not conflict with any other disclosure or definition appliedherein, or render indefinite or non-enabled any claim to which thatdefinition is applied. To the extent that any definition or usageprovided by any document incorporated herein by reference conflicts withthe definition or usage provided herein, the definition or usageprovided herein controls.

Regarding claim transitional terms or phrases, the transitional term“comprising”, which is synonymous with “including,” “containing,” or“characterized by,” is inclusive or open-ended and does not excludeadditional, unrecited elements or method steps. The transitional phrase“consisting of” excludes any element, step, or ingredient not specifiedin the claim. The transitional phrase “consisting essentially of” limitsthe scope of a claim to the specified materials or steps and those thatdo not materially affect the basic and novel characteristic(s) of theclaimed invention. A “consisting essentially of” claim occupies a middleground between closed claims that are written in a “consisting of”format and fully open claims that are drafted in a “comprising” format.Unless specified to the contrary, describing a compound or composition“consisting essentially of” is not to be construed as “comprising,” butis intended to describe the recited component that includes materialswhich do not significantly alter composition or method to which the termis applied. For example, a feedstock consisting essentially of amaterial A can include impurities typically present in a commerciallyproduced or commercially available sample of the recited compound orcomposition. When a claim includes different features and/or featureclasses (for example, a method step, feedstock features, and/or productfeatures, among other possibilities), the transitional terms comprising,consisting essentially of, and consisting of, apply only to featureclass to which is utilized and it is possible to have differenttransitional terms or phrases utilized with different features within aclaim. For example a method can comprise several recited steps (andother non-recited steps) but utilize a catalyst composition preparationconsisting of specific steps but utilize a catalyst compositioncomprising recited components and other non-recited components. Whilecompositions and methods are described in terms of “comprising” variouscomponents or steps, the compositions and methods can also “consistessentially of” or “consist of” the various components or steps.

The terms “a,” “an,” and “the” are intended, unless specificallyindicated otherwise, to include plural alternatives, e.g., at least one.For instance, the disclosure of “an organoaluminum compound” is meant toencompass one organoaluminum compound, or mixtures or combinations ofmore than one organoaluminum compound unless otherwise specified.

The terms “configured for use” or “adapted for use” and similar languageis used herein to reflect that the particular recited structure orprocedure is used in an olefin polymerization system or process. Forexample, unless otherwise specified, a particular structure “configuredfor use” means it is “configured for use in an olefin polymerizationreactor system” and therefore is designed, shaped, arranged,constructed, and/or tailored to effect an olefin polymerization, aswould have been understood by the skilled person.

For any particular compound disclosed herein, a general structure orname presented is also intended to encompass all structural isomers,conformational isomers, and stereoisomers that can arise from aparticular set of substituents, unless indicated otherwise. Thus, ageneral reference to a compound includes all structural isomers unlessexplicitly indicated otherwise; e.g., a general reference to pentaneincludes n-pentane, 2-methyl-butane, and 2,2-dimethyl-propane, while ageneral reference to a butyl group includes an n-butyl group, asec-butyl group, an iso-butyl group, and a tert-butyl group.Additionally, the reference to a general structure or name encompassesall enantiomers, diastereomers, and other optical isomers whether inenantiomeric or racemic forms, as well as mixtures of stereoisomers, asthe context permits or requires. For any particular formula or name thatis presented, any general formula or name presented also encompasses allconformational isomers, regioisomers, and stereoisomers that can arisefrom a particular set of substituents.

Unless otherwise specified, any carbon-containing group for which thenumber of carbon atoms is not specified can have, according to properchemical practice, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, or 30 carbonatoms, or any range or combination of ranges between these values. Forexample, unless otherwise specified or unless the context requiresotherwise, any carbon-containing group can have from 1 to 30 carbonatoms, from 1 to 25 carbon atoms, from 1 to 20 carbon atoms, from 1 to15 carbon atoms, from 1 to 10 carbon atoms, or from 1 to 5 carbon atoms,and the like. In an aspect, the context could require other ranges orlimitations, for example, when the subject carbon-containing group is anaryl group or an alkenyl group, the lower limit of carbons in thesesubject groups is six carbon atoms and two carbon atoms, respectively.Moreover, other identifiers or qualifying terms may be utilized toindicate the presence or absence of a particular substituent, aparticular regiochemistry and/or stereochemistry, or the presence ofabsence of a branched underlying structure or backbone, and the like.

Various numerical ranges are disclosed herein. When Applicant disclosesor claims a range of any type, Applicant's intent is to disclose orclaim individually each possible number that such a range couldreasonably encompass, including end points of the range as well as anysub-ranges and combinations of sub-ranges encompassed therein, unlessotherwise specified. For example, by disclosing a temperature of from70° C. to 80° C., Applicant's intent is to recite individually 70° C.,71° C., 72° C., 73° C., 74° C., 75° C., 76° C., 77° C., 78° C., 79° C.,and 80° C., including any sub-ranges and combinations of sub-rangesencompassed therein, and these methods of describing such ranges areinterchangeable. Moreover, all numerical end points of ranges disclosedherein are approximate, unless excluded by proviso. As a representativeexample, if Applicant states that one or more steps in the processesdisclosed herein can be conducted at a temperature in a range from 10°C. to 75° C., this range should be interpreted as encompassingtemperatures in a range from “about” 10° C. to “about” 75° C.

Values or ranges may be expressed herein as “about”, from “about” oneparticular value, and/or to “about” another particular value. When suchvalues or ranges are expressed, other embodiments disclosed include thespecific value recited, from the one particular value, and/or to theother particular value. Similarly, when values are expressed asapproximations, by use of the antecedent “about,” it will be understoodthat the particular value forms another embodiment. It will be furtherunderstood that there are a number of values disclosed therein, and thateach value is also herein disclosed as “about” that particular value inaddition to the value itself. In another aspect, use of the term “about”means ±15% of the stated value, ±10% of the stated value, ±5% of thestated value, or ±3% of the stated value.

Applicant reserves the right to proviso out or exclude any individualmembers of any such group of values or ranges, including any sub-rangesor combinations of sub-ranges within the group, that can be claimedaccording to a range or in any similar manner, if for any reasonApplicant chooses to claim less than the full measure of the disclosure,for example, to account for a reference that Applicant may be unaware ofat the time of the filing of the application. Further, Applicantreserves the right to proviso out or exclude any individualsubstituents, analogs, compounds, ligands, structures, or groupsthereof, or any members of a claimed group, if for any reason Applicantchooses to claim less than the full measure of the disclosure, forexample, to account for a reference or prior disclosure that Applicantmay be unaware of at the time of the filing of the application.

The term “substituted” when used to describe a group, for example, whenreferring to a substituted analog of a particular group, is intended todescribe any non-hydrogen moiety that formally replaces a hydrogen inthat group, and is intended to be non-limiting. A group or groups canalso be referred to herein as “unsubstituted” or by equivalent termssuch as “non-substituted,” which refers to the original group in which anon-hydrogen moiety does not replace a hydrogen within that group.Unless otherwise specified, “substituted” is intended to be non-limitingand include inorganic substituents or organic substituents as understoodby one of ordinary skill in the art.

An “aliphatic” compound is a class of acyclic or cyclic, saturated orunsaturated, carbon compounds, excluding aromatic compounds, e.g., analiphatic compound is a non-aromatic organic compound. An “aliphaticgroup” is a generalized group formed by removing one or more hydrogenatoms (as necessary for the particular group) from a carbon atom of analiphatic compound. Aliphatic compounds and therefore aliphatic groupscan contain organic functional group(s) and/or atom(s) other than carbonand hydrogen.

The term “alkene” whenever used in this specification and claims refersto an olefin that has at least one carbon-carbon double bond. The term“alkene” includes aliphatic or aromatic, cyclic or acyclic, and/orlinear and branched alkene unless expressly stated otherwise. The term“alkene,” by itself, does not indicate the presence or absence ofheteroatoms and/or the presence or absence of other carbon-carbon doublebonds unless explicitly indicated. Other identifiers may be utilized toindicate the presence or absence of particular groups within an alkene.Alkenes may also be further identified by the position of thecarbon-carbon double bond. Alkenes, having more than one such multiplebond are alkadienes, alkatrienes, and so forth, and may be furtheridentified by the position of the carbon-carbon double bond.

The term “olefin” is used herein in accordance with the definitionspecified by IUPAC: acyclic and cyclic hydrocarbons having one or morecarbon-carbon double bonds apart from the formal ones in aromaticcompounds. The class “olefins” subsumes alkenes and cycloalkenes and thecorresponding polyenes. Ethylene, propylene, 1-butene, 2-butene,1-hexene and the like are non-limiting examples of olefins. The term“alpha olefin” as used in this specification and claims refers to anolefin that has a double bond between the first and second carbon atomof the longest contiguous chain of carbon atoms. The term “alpha olefin”includes linear and branched alpha olefins unless expressly statedotherwise.

An “aromatic group” refers to a generalized group formed by removing oneor more hydrogen atoms (as necessary for the particular group and atleast one of which is an aromatic ring carbon atom) from an aromaticcompound. Thus, an “aromatic group” as used herein refers to a groupderived by removing one or more hydrogen atoms from an aromaticcompound, that is, a compound containing a cyclically conjugatedhydrocarbon that follows the Hückel (4n+2) rule and containing (4n+2)pi-electrons, where n is an integer from 1 to about 5. Aromaticcompounds and hence “aromatic groups” may be monocyclic or polycyclicunless otherwise specified. Aromatic compounds include “arenes”(hydrocarbon aromatic compounds) and “heteroarenes,” also termed“hetarenes” (heteroaromatic compounds formally derived from arenes byreplacement of one or more methine (—C═) carbon atoms by trivalent ordivalent heteroatoms, in such a way as to maintain the continuouspi-electron system characteristic of aromatic systems and a number ofout-of-plane pi-electrons corresponding to the Hückel rule (4n+2)).While arene compounds and heteroarene compounds are mutually exclusivemembers of the group of aromatic compounds, a compound that has both anarene group and a heteroarene group that compound generally isconsidered a heteroarene compound. Aromatic compounds, arenes, andheteroarenes may be mono- or polycyclic unless otherwise specified.Examples of arenes include, but are not limited to, benzene,naphthalene, and toluene, among others. Examples of heteroarenesinclude, but are not limited to furan, pyridine, and methylpyridine,among others. As disclosed herein, the term “substituted” may be used todescribe an aromatic group wherein any non-hydrogen moiety formallyreplaces a hydrogen in that group, and is intended to be non-limiting.

The term “polymer” is used herein generically to include olefinhomopolymers, copolymers, terpolymers, and so forth. A copolymer isderived from an olefin monomer and one olefin comonomer, while aterpolymer is derived from an olefin monomer and two olefin comonomers.Accordingly, “polymer” encompasses copolymers, terpolymers, etc.,derived from any olefin monomer and comonomer(s) disclosed herein.Similarly, an ethylene polymer would include ethylene homopolymers,ethylene copolymers, ethylene terpolymers, and the like. As an example,an olefin copolymer, such as an ethylene copolymer, can be derived fromethylene and a comonomer, such as 1-butene, 1-hexene, or 1-octene. Ifthe monomer and comonomer were ethylene and 1-hexene, respectively, theresulting polymer could be categorized an as ethylene/1-hexenecopolymer.

In like manner, the scope of the term “polymerization” includeshomopolymerization, copolymerization, terpolymerization, etc. Therefore,a copolymerization process could involve contacting one olefin monomer(e.g., ethylene) and one olefin comonomer (e.g., 1-hexene) to produce acopolymer.

The term “cracker” is used herein to refer to a stream cracking unit ora fluid catalytic cracking (FCC) unit. Thus, the steam cracking unitcomprises a steam cracking furnace into which the pyrolysis oil is fed,upstream pretreatment equipment, and downstream separations equipment.The FCC comprises a fluid catalytic cracking reactor, an upstreampretreater, and downstream separations equipment. Pyrolysis oil isusually fed to the FCC pretreater, although the pyrolysis oil may alsobe fed to the FCC reactor directly.

The terms “reforming”, “reformer” or “reforming unit” are used herein,and the terms “Aromax” or “AROMAX®” unit are also used. While bothreforming units and Aromax units make aromatics, there is a differencein the catalysts used in these units. However the methods and processesdisclosed herein can be used with either a reforming unit or an Aromaxunit, and for the purposes of this disclosure, it should be consideredthat when one type unit is specified, the other type of unit may also beused and is to be considered disclosed. The reforming catalysts arealumina-based and contain a metal such as platinum. The Aromax catalystis a zeolite-based catalyst and also contains platinum or other groupVIII or 1B metals (Groups 8-11 metals) and a halide such as chloride,fluoride, and the like. Both processes feed naphtha from fluid catalyticcracking (FCC) unit. However, because of the sulfur hydrotreater justupstream of the Aromax unit, it is also possible to feed pyrolysis oildirectly to the sulfur hydrotreater, bypassing the FCC unit.

When referring to “natural gas” feed in this disclosure, it is intendedto refer to a Natural Gas Liquids (NGL) feed. Thus, the petroleum/fossilfuel feed to the steam cracker/steam cracking furnace can be a lighthydrocarbon, mostly saturated feed ranging from C₂-C₅ (following methaneremoval), and the steam cracking furnace primarily feeds a mix of C₂-C₃.A Natural Gas Liquids (NGL) facility separates out the methane, and insome cases, the purified C₂-C₃ feed. Alternatively, the steam crackingfurnace could also feed naphtha (C₆-C₁₀), and the steam cracker thatfeeds naphtha may also mix in pyrolysis oil with the naphtha feed.

Although any methods, devices, and materials similar or equivalent tothose described herein can be used in the practice or testing of theinvention, the typical methods, devices and materials are hereindescribed.

All publications and patents mentioned herein are incorporated herein byreference for the purpose of describing and disclosing, for example, theconstructs and methodologies that are described in the publications,which might be used in connection with the presently describedinvention. The publications discussed throughout the text are providedsolely for their disclosure prior to the filing date of the presentapplication. Nothing herein is to be construed as an admission that theinventors are not entitled to antedate such disclosure by virtue ofprior invention.

Production and Certification of Circular Products. In an aspect of thisdisclosure, there is provided a process for producing chemicals orpolymers from plastic waste, the process comprising:

-   -   (a) introducing (i) a pyrolysis oil and (ii) a petroleum-based,        fossil fuel-based, or bio-based feed, each at a known feed rate,        into a processing unit as a processing unit feed, wherein the        feed comprises the pyrolysis oil in a known concentration;    -   (c) converting the processing unit feed into one or more        processing unit output streams, a portion of each output stream        comprising at least one circular product, wherein the weight or        the fraction of each circular product attributable to the        pyrolysis oil or plastic waste is determined by mass balance;        and    -   (c) certifying any one or more of the products in the processing        unit output streams as Circular in accordance with International        Sustainability and Carbon Certification (ISCC) standards, based        upon the weight or fraction of the circular product attributable        to the pyrolysis oil or plastic waste determined by mass balance        and the free attribution method.

In another aspect, there is provided a process for producing chemicalsor polymers from plastic waste, the process comprising:

-   -   (a) providing a pyrolysis oil from plastic waste;    -   (b) providing a petroleum-based, fossil fuel-based, or bio-based        feed;    -   (c) introducing the pyrolysis oil and the petroleum-based,        fossil fuel-based, or bio-based feed, each at a known feed rate,        into one or more primary processing units, thereby providing one        or more primary processing unit feeds, each comprising the        pyrolysis oil in a known concentration; and    -   (d) converting the one or more primary processing unit feeds        into one or more primary processing unit output streams, a        portion of each output stream comprising at least one circular        product, wherein the weight or the fraction of each circular        product attributable to the pyrolysis oil or plastic waste is        determined by mass balance.        For example, the pyrolysis oil from plastic waste and the        petroleum-based, fossil fuel-based, or bio-based feed can be        introduced to a cracker (primary processing unit), and the        converted to products which include ethylene and propylene and        other products, and the weight of the ethylene or the propylene        or both the ethylene and the propylene can be certified as        circular products.

In a further aspect, it is described herein how a mass balance approachwhich attributes the pounds of pyrolyzed plastic products derived frompyrolysis oil to any product of an output stream of a given unit hasbeen developed, how this approach can be used to track a circularproduct or precursor through a number of reactors and processing unitsin a sequential and/or parallel arrangement, and how the method permitsISCC certification agency approval any one or more of the productsthroughout the process as circular. Therefore, the approach developed inthis disclosure is extremely versatile, because the free attributionallows for properly accounting for the circular product which can betaken as credit in any one product, or in any combination of products asdesired.

Accordingly, this disclosure also provides for further steps beyondsteps (a) through (d) set out above. For example, there is provided aprocess for producing chemicals or polymers from plastic waste asdescribed above, further comprising:

-   -   (e) transferring at least a portion of one, or at least a        portion of more than one, of the primary processing unit output        streams, each at a known feed rate, into one or more secondary        or subsequent processing units, thereby providing one or more        secondary or subsequent processing unit feeds, each comprising a        circular product in a known concentration; and    -   (f) converting the one or more secondary or subsequent        processing unit feeds into one or more secondary or subsequent        processing unit output streams, a portion of each output stream        comprising at least one circular product, wherein the weight or        the fraction of each circular product attributable to the        pyrolysis oil or plastic waste is determined by mass balance;        and    -   (g) repeating steps (e) and (f) any number of times (zero or        more) by:        -   [1] transferring at least a portion of one, or at least a            portion of more than one, of the secondary or subsequent            processing unit output streams, each at a known feed rate,            into one or more tertiary or subsequent processing units,            thereby providing one or more tertiary or subsequent            processing unit feeds, each comprising a circular product in            a known concentration; and        -   [2] converting the one or more tertiary or subsequent            processing unit feeds into one or more tertiary or            subsequent processing unit output streams, a portion of each            output stream comprising at least one circular product,            wherein the weight or the fraction of each circular product            attributable to the pyrolysis oil or plastic waste is            determined by mass balance.            In this aspect, steps (e) and (f) can be carried out any            number of times, including zero (0), 1, 2, 3, 4, 5, 6, 7, 8,            9, or 10 times, or more than 10 times. While most processes            to track circular products include fewer repetitions, this            aspect demonstrates that the disclosed tracking and            accounting process can extend through many different steps            across many different types of reactors.

The ISCC Sustainability Declarations are issued for discrete massquantities of product, therefore certification is for a particularproduct weight. Using conversion factors determined for any particularreactor or conversion process, and as demonstrated in the Examples, thiscertification process uses a free attribution method to assign circularproduct credit to every product stream, minus any waste streams. Asdemonstrated in the Examples, the free attribution method allows all thecredit produced from mixing a pyrolysis oil stream with apetroleum-based, fossil fuel-based, or bio-based feed to be distributedas desired to any or all of the products from a processing unit, againless any waste. For example, as long as pyrolysis oil is used togenerate ethylene, propylene, fuel gas, and any other product which isrecovered from a stream, the total circular product credit from all therecovered product can be taken as circular ethylene. Accordingly, ineither of the preceding aspects (a)-(d) or (a)-(g), the process canfurther comprise:

-   -   (h) certifying any one or more of the products in the primary        processing unit output streams, secondary processing unit output        streams, or tertiary or subsequent processing unit output        streams, as Circular in accordance with International        Sustainability and Carbon Certification (ISCC) standards, based        upon the weight or fraction of the circular product attributable        to the pyrolysis oil or plastic waste determined by mass balance        and the free attribution method.

In another aspect, this process is applicable regardless of how apyrolysis oil co-feed may be introduced to a reactor such as a cracker.For example, the pyrolysis oil can be introduced into the primaryprocessing unit by:

-   -   (a) combining the pyrolysis oil and the petroleum-based, fossil        fuel-based, or bio-based feed prior to introducing the pyrolysis        oil and the petroleum-based, fossil fuel-based, or bio-based        feed into the primary processing unit;    -   (b) introducing the pyrolysis oil directly into the primary        processing unit; or    -   (c) a combination of (a) and (b).        In either case, the calculation and certification of the weight        of circular product is carried out in the same manner as        explained herein and as demonstrated in the Examples.

One principal example used to demonstrate the processes of thisdisclosure is for the introduction of pyrolysis oil as a co-feed with apetroleum-based, fossil fuel-based, or bio-based co-feed, each at knownfeed rates and concentrations in the total feed, into a cracker, toproduce ethylene and propylene and amounts of other products. Therefore,reciting a “primary” processing unit can be a cracker in this example,and “secondary”, “tertiary”, and “subsequent” processing units caninclude polymerization reactors, metathesis reactors, oligomerizationreactors, and others. The term “processing unit” is also used to includereactors and other units such as distillation towers and otherseparating units. The accounting and certification process can beapplied to a single process or to multiple process (see Examples).

In an aspect, in the process for producing chemicals or polymers fromplastic waste, the pyrolysis oil can be present in the primaryprocessing unit feed in a concentration of from about 0.1 wt % to about25 wt %; alternatively, from about 0.2 wt % to about 22 wt %;alternatively, from about 0.5 wt % to about 20 wt %; alternatively, fromabout 1 wt % to about 18 wt %; alternatively, from about 2 wt % to about17 wt %; alternatively, from about 5 wt % to about 15 wt %; oralternatively, from about 8 wt % to about 12 wt %. For example, thepyrolysis oil can be present in the primary processing unit feed in aconcentration of about 0.1 wt %, about 0.2 wt %, about 0.5 wt %, about 1wt %, about 2 wt %, about 3 wt %, about 4 wt %, about 5 wt %, about 6 wt%, about 7 wt %, about 8 wt %, about 9 wt %, about 10 wt %, about 11 wt%, about 12 wt %, about 13 wt %, about 14 wt %, about 15 wt %, about 16wt %, about 17 wt %, about 18 wt %, about 10 wt %, about 20 wt %, about21 wt %, about 22 wt %, about 23 wt %, about 24 wt %, about 25 wt %, orany range or combination of ranges therebetween.

According to a further aspect, a chemical feedstock as described hereincan constitute a majority weight percentage of pyrolysis oil or amajority weight percentage of any pyrolysis oil fraction, which is alarger proportion of pyrolysis oil than previously thought possible.Thus, any proportion of a feedstock such as for a stream cracker canconstitute pyrolysis oil, whether a small fraction such as from about0.1 wt % up to about 99 wt %, with the balance being a petroleum-based,fossil fuel-based, or bio-based and/or renewable co-feed. Thus,pyrolysis oil or a portion of pyrolysis oil can be fed to a primaryprocessing unit wherein a petroleum-based or a fossil fuel-based feed isnot co-fed with the pyrolysis oil into the primary processing unit. Theprimary processing unit feed can constitute 100 wt % pyrolysis oil or100% of a pyrolysis product or fraction of a pyrolysis oil, without theneed for any petroleum-based or a fossil fuel-based co-feed. In the caseof using 100 wt % pyrolysis oil or a pyrolysis product as a feed, theentire weight or fraction of the resulting chemical or polymer productcan be a circular product.

Accordingly, in a further aspect, this disclosure provides a process forproducing chemicals or polymers from plastic waste, the processcomprising:

-   -   (a) providing a pyrolysis oil from plastic waste;    -   (b) introducing the pyrolysis oil at a known feed rate into one        or more primary processing units thereby providing one or more        primary processing unit feeds comprising the pyrolysis oil; and    -   (c) converting the one or more primary processing unit feeds        into one or more primary processing unit output streams, each        output stream comprising at least one circular product, wherein        the weight or the fraction of each circular product attributable        to the pyrolysis oil or plastic waste is determined by mass        balance.        In one aspect, a petroleum-based or a fossil fuel-based feed is        not co-fed with the pyrolysis oil into the primary processing        unit. In another aspect, the pyrolysis oil is present in the        primary processing unit feed in a concentration of 100 wt %.        When the proportion of pyrolysis oil increases, the distillation        end point of the pyrolysis oil is typically lower, for example,        when the primary processing unit feed is 100 wt % pyrolysis oil,        the pyrolysis oil can be characterized by a Distillation End        Point, ° F. (D86 or D2887) of from about 250° F. to about 450°        F., from about 300° F. to about 500° F., or from about 400° F.        to about 600° F.

This disclosure also provides for a process for producing chemicals orpolymers from plastic waste as described immediately above with steps(a) through (c), which can further comprise the use of apetroleum-based, fossil fuel-based, or bio-based co-feed, even though itis not required. Thus the process above of (a) providing a pyrolysis oilfrom plastic waste, (b) introducing the pyrolysis oil as a feed into oneor more primary processing units, and (c) converting the primaryprocessing unit feeds into at least one circular product, may furthercomprise:

-   -   (i) providing a petroleum-based, fossil fuel-based, or bio-based        feed;    -   (ii) introducing the petroleum-based, fossil fuel-based, or        bio-based feed at a known feed rate into the one or more primary        processing units, thereby providing one or more primary        processing unit feeds, each comprising the pyrolysis oil and the        petroleum-based, fossil fuel-based, or bio-based feeds in known        concentrations; and    -   (iii) converting the one or more primary processing unit feeds        into one or more primary processing unit output streams, each        output stream comprising at least one circular product, wherein        the weight or the fraction of each circular product attributable        to the pyrolysis oil or plastic waste is determined by mass        balance.

In a further aspect, the process above of (a) providing a pyrolysis oilfrom plastic waste, (b) introducing the pyrolysis oil as a feed into oneor more primary processing units, and (c) converting the primaryprocessing unit feeds into at least one circular product, whether steps(i)-(iii) of using a petroleum-based, fossil fuel-based, or bio-basedfeed along with the pyrolysis product are included or not included, alsomay further comprise the steps of:

-   -   (d) transferring at least a portion of one, or at least a        portion of more than one, of the primary processing unit output        streams, each at a known feed rate, into one or more secondary        or subsequent processing units, thereby providing one or more        secondary or subsequent processing unit feeds, each comprising a        circular product in a known concentration; and    -   (e) converting the one or more secondary or subsequent        processing unit feeds into one or more secondary or subsequent        processing unit output streams, a portion of each output stream        comprising at least one circular product, wherein the weight or        the fraction of each circular product attributable to the        pyrolysis oil or plastic waste is determined by mass balance;        and    -   (f) repeating steps (d) and (e) any number of times (zero or        more) by:        -   [1] transferring at least a portion of one, or at least a            portion of more than one, of the secondary or subsequent            processing unit output streams, each at a known feed rate,            into one or more tertiary or subsequent processing units,            thereby providing one or more tertiary or subsequent            processing unit feeds, each comprising a circular product in            a known concentration; and        -   [2] converting the one or more tertiary or subsequent            processing unit feeds into one or more tertiary or            subsequent processing unit output streams, a portion of each            output stream comprising at least one circular product,            wherein the weight or the fraction of each circular product            attributable to the pyrolysis oil or plastic waste is            determined by mass balance.            This process for producing chemicals or polymers from            plastic waste can include repeating steps (d) and (e) any            number of times, such as 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10,            or even more times.

In the processes disclosed above which encompass steps (a)-(c) (notrequiring a petroleum-based, fossil fuel-based, or bio-based feed), orsteps (a)-(c) plus steps (i)-(iii) (employing a petroleum-based, fossilfuel-based, or bio-based feed), or either of these processes furtherincluding steps (d) and (e), any of these processes may further comprisethe step of:

-   -   (f) certifying any one or more of the products in the primary        processing unit output streams, secondary processing unit output        streams, or tertiary or subsequent processing unit output        streams, as Circular in accordance with International        Sustainability and Carbon Certification (ISCC) standards, based        upon the weight or fraction of the circular product attributable        to the pyrolysis oil or plastic waste determined by mass balance        and the free attribution method.

As explained previously, the pyrolysis oil can be introduced into theprimary processing unit by:

-   -   (a) combining the pyrolysis oil and the petroleum-based, fossil        fuel-based, or bio-based feed prior to introducing the pyrolysis        oil and the petroleum-based, fossil fuel-based, or bio-based        feed into the primary processing unit;    -   (b) introducing the pyrolysis oil directly into the primary        processing unit; or    -   (c) a combination of (a) and (b).

In the processes disclosed above which encompass steps (a)-(c) (notrequiring a petroleum-based, fossil fuel-based, or bio-based feed), orsteps (a)-(c) plus steps (i)-(iii) (employing a petroleum-based, fossilfuel-based, or bio-based feed), or either of these processes furtherincluding steps (d) and (e), the pyrolysis oil may be present in theprimary processing unit feed in a concentration of from about 25 wt % toabout 100 wt %, alternatively, from about 30 wt % to about 98 wt %;alternatively, from about 35 wt % to about 95 wt %; alternatively, fromabout 40 wt % to about 90 wt %; alternatively, from about 45 wt % toabout 85 wt %; or alternatively, from about 50 wt % to about 80 wt %.For example, the pyrolysis oil can be present in the primary processingunit feed in a concentration of about 25 wt %, about 30 wt %, about 35wt %, about 40 wt %, about 45 wt %, about 50 wt %, about 55 wt %, about60 wt %, about 65 wt %, about 70 wt %, about 75 wt %, about 80 wt %,about 85 wt %, about 90 wt %, about 95 wt %, about 97 wt %, about 99 wt%, about 100 wt %, or any range or combination of ranges therebetween.

When the pyrolysis oil is introduced into a steam cracker furnace inconcentrations that are high, for example, over 25 wt %, over 50 wt %,over 75 wt %, over 90 wt %, about 100 wt %, or 100 wt %, it has beendiscovered that a wide range of furnace operating conditions can beadjusted to accommodate the high proportion of pyrolysis oil. In anaspect, for example, the steam-to-hydrocarbon ratio (by mass) can beincreased to a ratio of from about 0.5 to about 1.0, that is, the steammass can range from about 50% of the hydrocarbon mass (total ofpyrolysis oil and petroleum-based, fossil fuel-based, or bio-based feed)to about 100% of the hydrocarbon mass in the feed. By increasing thisratio, this effectively decreases the hydrocarbon partial pressure andthe boiling temperature of the mixed hydrocarbon and steam stream, whichcan increase the ethylene and other high value chemicals in the furnaceeffluent. Increasing this ratio can further increase the run length ofthe furnace.

In a further aspect, when utilizing high proportions of pyrolysis oilsuch as those noted immediately above, the furnace operating conditionscan be adjusted to inject a dilution steam into the pyrolysis oil feedupstream of the furnace. Injecting a dilution steam can also effectivelydecrease the hydrocarbon partial pressure and the boiling temperature ofthe mixed hydrocarbon and steam stream, can increase the ethylene andother high value chemicals in the furnace effluent and increase the runlength of the furnace.

In another aspect, other furnace operating conditions which can beadjusted when using these high proportions of pyrolysis oil includepre-heating the pyrolysis oil, for example, to a temperature betweenabout 250° F. and about 350° F., prior to introducing the pyrolysis oilinto the furnace. Pre-heating can boost the energy efficiency of theethylene unit.

According to another aspect, the cracker furnace operating conditionswhich can be adjusted when using these high proportions of pyrolysis oilinclude providing a bias firing toward the inlet side of the furnaceradiant coil. For example, with a bias firing of up to about 3 psitoward the inlet coils of the ethylene cracking furnace, the ethyleneyield can be increased from a decreased residence time in the radiantsection.

A further aspect in adjusting the cracker furnace operating conditionswith high proportions of pyrolysis oil can be provided by increasing thefloor firing ratio of the furnace above about 30% and up to about 35%,or even higher. Under these conditions, the radiant efficiency of thefurnace is increased, which can allow a larger or a maximum pyrolysisfeed and steam to hydrocarbon ratio.

In any disclosure herein which relates to the processing units (primary,secondary, tertiary, and more), what these processing units canconstitute, pyrolysis oil characteristics, and the like, this disclosureapplies to the processes described herein regardless of the fraction ofpyrolysis oil or pyrolysis oil product in the primary processing unitfeed. That is, unless otherwise provided or unless the context requiresotherwise, additional disclosed aspects and embodiments are applicableto processes which use only a minority fraction or a majority fractionof pyrolysis oil in the primary processing unit feed (with the balancebeing a petroleum-based, fossil fuel-based, or bio-based feed) and toembodiments in which no petroleum-based, fossil fuel-based, or bio-basedfeed is co-fed to the one or more the primary processing units. Forexample, it is disclosed that the (a) the primary processing unit can bea reforming unit; and (b) the reforming unit feed can include pyrolysisoil and naphtha. In this and similar aspects, it is intended to reflectthat, unless otherwise indicated such as when the feed includes 100 wt %pyrolysis oil, the reforming unit feed can include pyrolysis oil andnaphtha.

The versatility of these processes can be demonstrated, in an aspect asfollows. In one aspect, the disclosed process can employ two or moreprimary processing units, and the pyrolysis oil is introduced into onlyone of the primary processing units. Examples include using pyrolysisoil to form ethylene, and reacting the ethylene with 1-hexene that isformed in another (parallel) primary processing unit. Alternatively, theprocess can employ two or more primary processing units, and thepyrolysis oil can be introduced, independently, into any two or moreprimary processing units.

In another aspect, the process can employ two or more secondaryprocessing units, and any primary processing unit output streams aretransferred into only one of the secondary processing units. Further,the process can employ two or more secondary processing units, and anyprimary processing unit output streams are transferred, independently,into any two or more secondary processing units.

Similarly, and according to a further aspect, the disclosed process canemploy two or more tertiary processing units, and any secondaryprocessing unit output streams can be transferred into only one of thetertiary processing units. Further, the process can employ two or moretertiary processing units, and any secondary processing unit outputstreams can be transferred, independently, into any two or more of thetertiary processing units.

Also similarly, and according to a further aspect, the disclosed processcan employ two or more subsequent processing units, and any tertiaryprocessing unit output streams can be transferred into only one of thesubsequent processing units. Alternatively, the process can employ twoor more subsequent processing units, and any tertiary processing unitoutput streams can be transferred, independently, into any two or moreof the subsequent processing units.

In many of the disclosed processes, the pyrolysis oil can be usedwithout being initially separated into its components. For example, somespecifications of useful pyrolysis oil are provided herein, which allowthe pyrolysis oil to be used as-is without distillation or purification.However, if desired or if the reaction sequence requires, the pyrolysisoil can be further purified or separated into component fractions. Forexample, the pyrolysis oil can comprise light (C₂-C₅) hydrocarbons andheavy (C₆₊) hydrocarbons. In an aspect, the pyrolysis oil is notseparated into light (C₂-C₅) hydrocarbons and heavy (C₆₊) hydrocarbonsprior to introducing the pyrolysis oil into the primary processing unit.In another aspect, the pyrolysis oil is separated into light (C₂-C₅)hydrocarbons and heavy (C₆₊) hydrocarbons prior to introducing one ofthese components into a processing unit or prior to introducing both ofthese components into separate processing units.

According to another aspect, the disclosed process can furthercomprising the step of introducing the pyrolysis oil or a fractionthereof into one or more of the secondary processing units or one ormore of the secondary input streams, thereby providing one or moresecondary processing unit feeds comprising a circular product in a knownconcentration and the pyrolysis oil or a fraction thereof in a knownconcentration. Again, the weight or fraction of circular product in anysingle step or in any combination of steps can be calculated asdescribed herein. In a further aspect, the disclosed process can furthercomprise the step of introducing the pyrolysis oil or a fraction thereofinto one or more of the tertiary or subsequent processing units or oneor more of the tertiary or subsequent input streams, thereby providingone or more tertiary or subsequent processing unit feeds comprising acircular product in a known concentration and the pyrolysis oil or afraction thereof in a known concentration.

In the disclosed process, if desired, at least a portion of one or moreof the primary, the secondary, the tertiary, or subsequent processingunit output streams is used as a fuel. According to a further aspect, atleast a portion of one or more of the primary, the secondary, thetertiary, or subsequent processing unit output streams is not used as afuel. In a further aspect, at least a portion of any of the one or moreprimary processing unit output streams, the one or more secondaryprocessing unit output streams, the one or more tertiary processing unitoutput streams, or the one or more subsequent processing unit outputstreams can be recycled to any upstream processing unit as applicable.In this case, the accounting and crediting of a product as circular iscontinued in the recycled stream as a feed to an upstream reactor orprocessing unit.

Pyrolysis Oil. The pyrolysis oil (sometimes abbreviated pyoil) of thisdisclosure can be derived from the pyrolysis of a wide range of plasticwastes. For example, the pyrolysis oil can be derived from pyrolysis ofpolyolefins, polyethylene, polypropylene, polystyrene, polyethyleneterephthalate (PET), polyvinyl chloride (PVC), polyamide, polycarbonate,polyurethane, polyester, copolymers thereof, filled polymers thereof,composites thereof, natural or synthetic rubber, tires, or anycombination thereof. In some processes, it may be desirable for thepyrolysis oil to have relatively low concentrations of chloride, whichcan be accomplished by, for example, selecting plastic wastes having lowconcentrations of chloride-containing polymers such as PVC. In anotheraspect, using a pyrolysis oil having relatively low concentrations ofchloride may also be accomplished by, for example, purification of thepyrolysis oil prior to using as a feedstock or a co-feedstock.

Certain properties of the pyrolysis oil may be desirable in theprocesses disclosed herein. For example, in an aspect, the pyrolysis oilcan be characterized by any one or any combination of more than one ofthe following properties:

-   -   (a) a Reid Vapor Pressure, psia @ 100° F. (ASTM-D-5191) of ≤15        psia @ 100° F., ≤12 psia @ 100° F., ≤10 psia @ 100° F., ≤5 psia        @ 100° F., or any range between two of these recited values;    -   (b) an Upper Pour, ° F. (ASTM D-97 or D5950-14) of ≤200° F.,        ≤150° F., ≤125° F., or any range between two of these recited        values;    -   (c) a sulfur concentration, wt % (ASTM D-4294 or D2622) of ≤1.8        wt %, 51.5 wt %, ≤1.0 wt %, ≤0.7 wt %, or any range between two        of these recited values;    -   (d) a nitrogen concentration, ppm (ASTM D-4629 or D5762) of        ≤2500 ppm, ≤3500 ppm, ≤4500 ppm, or any range between two of        these recited values;    -   (e) a water by dist. concentration, wt % (ASTM D-95) of ≤0.1 wt        %, ≤0.5 wt %, 0.9 wt %, or any range between two of these        recited values;    -   (f) a sodium concentration, ppm (ASTM D-5185) of ≤2.0 ppm, ≤5.0        ppm, ≤7.5 ppm, ≤10.0 ppm, or any range between two of these        recited values;    -   (g) a nickel concentration, ppm (ASTM D-5185) of ≤1.5 ppm, ≤5.0        ppm, ≤8.0 ppm, ≤12.0 ppm, or any range between two of these        recited values;    -   (h) a vanadium concentration, ppm (ASTM D-5185) of ≤2.5 ppm,        ≤6.0 ppm, ≤10.5 ppm, ≤14.0 ppm, or any range between two of        these recited values;    -   (i) an iron concentration, ppm (ASTM D-5185) of ≤1.5 ppm, ≤4.0        ppm, ≤8.0 ppm, ≤10.5 ppm, or any range between two of these        recited values;    -   (j) a copper concentration, ppm (ASTM D-5185) of ≤0.4 ppm, ≤1.8        ppm, ≤3.0 ppm, ≤4.6 ppm, or any range between two of these        recited values;    -   (k) a BS&W, vol % (ASTM D-2709) of ≤0.1 vol %, ≤0.25 vol %,        ≤0.50 vol %, ≤1.0 vol % based on water volume without sediment,        or any range between two of these recited values;    -   (l) an Acid Number, mg/KOH/g (ASTM D664) of ≤0.01 mg/KOH/g,        ≤0.50 mg/KOH/g, ≤1.2 mg/KOH/g, ≤2.2 mg/KOH/g, or any range        between two of these recited values;    -   (m) a chloride concentration, ppm (UOP 588) of ≤10 ppm, ≤25 ppm,        ≤50 ppm, ≤75 ppm, ≤100 ppm, or any range between two of these        recited values;    -   (n) a Distillation End Point, ° F. (D86 or D2887) of ≤350° F.,        ≤400° F., ≤500° F., ≤600° F., ≤700° F., ≤850° F., ≤1000° F.,        ≤1250° F., ≤1450° F., or any range between two of these recited        values;    -   (o) a Filterable Solids Content, wt % (PR 1826) of ≤0.02 wt %,        ≤0.04 wt %, ≤0.06 wt %, ≤1.0 wt %, ≤1.2 wt %, or any range        between two of these recited values;    -   (p) a Heptane Insolubles Content, wt % (ASTM D-3279) of ≤0.02 wt        %, ≤0.04 wt %, ≤0.06 wt %, ≤1.0 wt %, ≤1.2 wt %, or any range        between two of these recited values;    -   (q) a fluoride concentration, ppm (ASTM D-7359) of ≤1.0 ppm,        ≤1.5 ppm, ≤2 ppm, ≤5 ppm, ≤10 ppm, or ≤15 ppm;    -   (r) a silicon concentration, ppm (ASTM D-5185) of from ≤1.0 ppm,        ≤1.5 ppm, ≤2 ppm, ≤5 ppm, ≤10 ppm, or ≤15 ppm; or    -   (s) a phosphorus concentration, ppm (ASTM D-5185) of ≤1.0 ppm,        ≤1.5 ppm, ≤2 ppm, ≤5 ppm, ≤10 ppm, or ≤15 ppm.

In accordance with a further aspect, the pyrolysis oil can becharacterized by any one or any combination of more than one of thefollowing properties:

-   -   (a) a Reid Vapor Pressure, psia @ 100° F. (ASTM-D-5191) of 5-15        psia @ 100° F.;    -   (b) an Upper Pour, ° F. (ASTM D-97 or D5950-14) of 75-200° F.;    -   (c) a sulfur concentration, wt % (ASTM D-4294 or D2622) of        0.2-1.5 wt %;    -   (d) a nitrogen concentration, ppm (ASTM D-4629 or D5762) of        2250-4450 ppm;    -   (e) a water by dist. concentration, wt % (ASTM D-95) of 0.1-0.9        wt %;    -   (f) a sodium concentration, ppm (ASTM D-5185) of 2.5-8.5 ppm;    -   (g) a nickel concentration, ppm (ASTM D-5185) of 1.5-10.5 ppm;    -   (h) a vanadium concentration, ppm (ASTM D-5185) of 2.0-12.5 ppm;    -   (i) an iron concentration, ppm (ASTM D-5185) of 2.0-10.5 ppm;    -   (j) a copper concentration, ppm (ASTM D-5185) of 0.5-4.5 ppm;    -   (k) a BS&W, vol % (ASTM D-2709) of 0.1-1.0 vol % based on water        volume without sediment;    -   (l) an Acid Number, mg/KOH/g (ASTM D664) of 0.01-2.0 mg/KOH/g;    -   (m) a chloride concentration, ppm (UOP 588) of from 22.5 ppm to        100 ppm or from 10 ppm to 100 ppm;    -   (n) a Distillation End Point, ° F. (D86 or D2887) of from        350° F. to 1600° F.;    -   (o) a Filterable Solids Content, wt % (PR 1826) of from 0.04 wt        % to 0.15 wt %;    -   (p) a Heptane Insolubles Content, wt % (ASTM D-3279) of from        0.03 wt % to 0.13 wt %;    -   (q) a fluoride concentration, ppm (ASTM D-7359) of from the        detectable limit to 25 ppm or from 1.0 ppm to 25 ppm;    -   (r) a silicon concentration, ppm (ASTM D-5185) of from the        detectable limit to 25 ppm or from 1.0 ppm to 25 ppm; or    -   (s) a phosphorus concentration, ppm (ASTM D-5185) of from the        detectable limit to 25 ppm or from 1.0 ppm to 25 ppm.

In still a further aspect, the pyrolysis oil can be characterized by anyone or any combination of more than one of the following properties:

-   -   (a) a Reid Vapor Pressure, psia @ 100° F. (ASTM-D-5191) of from        5 psia @100° F. to 12 psia @ 100° F.;    -   (b) an Upper Pour, ° F. (ASTM D-97 or D5950-14) of from 8° F. to        40° F.;    -   (c) a sulfur concentration, wt % (ASTM D-4294 or D2622) of from        5 ppm (parts per million by weight) to 50 ppm;    -   (d) a nitrogen concentration, ppm (ASTM D-4629 or D5762) of from        250 ppm to 1400 ppm;    -   (e) a water by dist. concentration, wt % (ASTM D-95) of from 0.1        wt % to 0.9 wt %;    -   (f) a sodium concentration, ppm (ASTM D-5185) of from 0.10 ppm        to 5.0 ppm;    -   (g) a nickel concentration, ppm (ASTM D-5185) of from 0.15 ppm        to 3.0 ppm;    -   (h) a vanadium concentration, ppm (ASTM D-5185) of from 0.1 ppm        to 3 ppm;    -   (i) an iron concentration, ppm (ASTM D-5185) of from 0.3 ppm to        10 ppm;    -   (j) a copper concentration, ppm (ASTM D-5185) of from 0.1 ppm to        1 ppm;    -   (k) a chloride concentration, ppm (UOP 588) of from 20 ppm to 70        ppm;    -   (l) a Distillation End Point, ° F. (D86 or D2887) of from        350° F. to 1000° F.;    -   (m) a Filterable Solids Content, wt % (PR 1826) of from 0.04 wt        % to 0.15 wt %;    -   (n) a Heptane Insolubles Content, wt % (ASTM D-3279) of from        0.03 wt % to 0.13 wt %;    -   (o) a fluoride concentration, ppm (ASTM D-7359) of from the        detectable limit to 25 ppm or from 0.5 ppm to 10 ppm;    -   (p) a silicon concentration, ppm (ASTM D-5185) of from the        detectable limit to 25 ppm or from 0.5 ppm to 10 ppm; or    -   (q) a phosphorus concentration, ppm (ASTM D-5185) of from the        detectable limit to 25 ppm or from 0.5 ppm to 10 ppm.

In these above aspects related to pyrolysis oil properties, thepyrolysis oil can be characterized by any number of the recitedproperties. For example, the pyrolysis oil can be characterized by anyten (10) of the recited properties, any twelve (12) of the recitedproperties, any fourteen (14) of the recited properties, or all of therecited properties.

Independently of or in addition to the pyrolysis oil properties recitedabove, in an aspect, the pyrolysis oil also may be characterized by anyone, any two, any three, or all four of the following properties:

-   -   (a) a Pour Point (ASTM D97 or ISO:3016) of less than or equal to        about −40° C.;    -   (b) a Kinematic Viscosity (ASTM D445 or ISO:3104) of any one or        more of (i) about 3.0 mm²/s or from about 2 cSt to about 20 cSt        (100° C.), (ii) 11.0 mm²/s (40° C.), or (iii) about 76.0 mm²/s        (0° C.);    -   (c) a Flash point (ISO:2719) of greater than or equal to about        140° C.; or    -   (d) a dielectric breakdown voltage (ASTM D1816) of from about 10        kV/mm to about 60 kV/mm, from about 15 kV/mm to about 40 kV/mm,        or from about 20 kV/mm to about 30 kV/mm.

In an aspect, before being introduced into a primary processing unit,the pyrolysis oil can be pretreated for removal of various contaminants.For example, the pyrolysis oil can be pretreated for removal ofchloride-containing contaminants and/or fluoride-containingcontaminants, according to processes understood by the skilled person.For example, the pyrolysis oil can be pretreated for removal of chlorideby: (a) thermal dehydrochlorination at 300° C. to 350° C., and removalof the chloride as HCl vapor; or (b) contacting organic chloridecontaminants with at least one metal oxide bed.

Antioxidants. In an aspect, it may be desirable to include anantioxidant in combination with the pyrolysis oil, to prevent itsdegradation and breakdown. The antioxidant can be a natural or asynthetic antioxidant which is combined with the pyrolysis oil. Inanother aspect, the antioxidant combined with the pyrolysis oil can be:(a) compliant with at least one of the Gulf Cooperation CouncilStandardization Organization GSO 2231/2012, GSO 839/1997, or GSO1863/2013 standard; or (b) Halal certified, Kosher certified, or HACCPcertified.

A wide range of antioxidants can be used in combination with thepyrolysis oil. In an aspect, the antioxidant can be a naturalantioxidant and the natural antioxidant can comprise or can be selectedfrom a plant-based antioxidant, an animal-based antioxidant, or abioactive peptide is combined with the pyrolysis oil.

In an aspect, the natural antioxidant can comprise or can be selectedfrom olive plant materials, olive oil, olive leaf extracts, asesame-based antioxidant, sesamol, sesamin, sesamolin, hydroxytyrosol,tyrosol, caffeic acid, ferulic acid, alkannin, shikonin, carnosic acid,carnosic acid-EDTA, α-tocopherol (TCP), propyl gallate (PG), 1-ascorbicacid 6-palmitate (AP), gallic acid, quercetin, myricetin, catechin,genistein, isoflavones, flavanols, cinnamic acid, hydroxtycinnamic acid,oleuropein, oryzanols, tocols, β-carotene, carotenoids, lycopene,marigold, paprika, bixin, or any combination thereof.

According to another aspect, the natural antioxidant can be derived fromolive plant material, olive oil mill waste, ajowan (Carum copticum),tinctoria roots, rosemary extract, Guiera senegalensis, Combretumhartmannianum, Majorana syriaca, sesame, Artmisia scoparia, Cinnamomumcassia, rosemary (Rosemarinus officinalis), clove (Syzygium aromaticum),cinnamon (Cinnamomum zeylanicum), broccoli, citrus, chemlali olive,defatted rice brand, bene hull oil (unsaponifiable matter), oregano,green tea, Cortex fraxini, Polygonum cuspidatum, marigold, Capsicumannuum, and garlic.

When an antioxidant is used with the pyrolysis oil, it can be used inany effective concentration that slows the oxidation sufficiently thatit can be used in the disclosed process without significant detrimentaleffects. For example, in one aspect, the antioxidant is a naturalantioxidant which is combined with the pyrolysis oil at a concentrationof ≤2500 mMol antioxidant/kg of pyrolysis oil, ≤1750 mMol/kg ofpyrolysis oil, or ≤1000 mMol/kg of pyrolysis oil.

In a further aspect, the antioxidant can be a synthetic antioxidant. Forexample, the synthetic antioxidant can comprise or can be selected froma hindered phenol, a metal salt of a hindered phenol, an oil-solublepolymetal organic compound, a hindered phenylenediamine compound, or acombination thereof. For example, the synthetic antioxidant can compriseor can be selected from 2-t-butyl-4-heptyl phenol, 2-t-butyl-4-octylphenol, 2-t-butyl-4-dodecyl phenol, 2,6-di-t-butyl-4-methylphenol,2,6-di-t-butyl-4-heptyl phenol, 2,6-di-t-butyl-4-dodecyl phenol,2-methyl-6-t-butyl-4-heptyl phenol, 2-methyl-6-t-butyl-4-dodecyl phenol,2,6-di-alkyl-phenolic proprionic ester derivatives,2,2′-bis(4-heptyl-6-t-butyl-phenol), 2,2′-bis(4-octyl-6-t-butyl-phenol),2,2′-bis(4-dodecyl-6-t-butyl-phenol), 4,4′-bis(2,6-di-t-butyl phenol),4,4′-methylene-bis(2,6-di-t-butyl phenol), 2-t-butyl-4-methoxyphenol,3-t-butyl-4-methoxyphenol, propyl gallate,2-(1,1-dimethylethyl)-1,4-benzenediol, or combinations thereof.

In another aspect, the antioxidant can be a synthetic antioxidant whichcan comprise or can be seld from diphenylamines, phenyl naphthylamines,phenothiazines, imidodibenzyls, diphenyl phenylene diamines, aromaticamines, or combinations thereof.

In a further aspect, the antioxidant can be a synthetic antioxidantwhich can comprise or can be selected from p,p′-dioctyldiphenylamine,t-octylphenyl-α-naphthylamine, phenyl-α-naphthylamine,p-octylphenyl-α-naphthylamine, or a combination thereof.

Reactor Co-Feeds and Output Streams Containing Circular Products. Theprocesses of this disclosure can include pyrolysis oil as a co-feedstockin addition to the petroleum-based, fossil fuel-based, or bio-basedfeedstocks in a number of processes. In an aspect, the petroleum-based,fossil fuel-based, or bio-based co-feed, when present, can comprise orcan be selected from petroleum or natural gas liquids, renewablefeedstocks, or combinations thereof. The calculation and certificationof products as circular can be carried out through any number of stepsin the disclosed process. Circular products not only occur in the outputfeeds of a reactor but also as components of an input feed of otherreactors. Therefore the methods of this disclosure allow tracking ofcircular products through any number of steps as products and feeds, asillustrated herein. In this section, a wide range of reactor feeds,co-feeds, and circular products are described, which are to be taken asexemplary and not as exhaustive.

According to an aspect, any one or more of the primary processing unitfeed, second processing unit feed, tertiary processing unit feed, orsubsequent processing unit feed is a circular or a non-circular feed,comprising or selected from pyrolysis oil, a heavy hydrocarbon fractionof petroleum, aromatic hydrocarbons, aliphatic hydrocarbons, hydrogen,naphtha, liquefied petroleum gas (LPG), light (C₂-C₅) hydrocarbons, arefinery-transfer stream, natural gas liquids, ethylene, propylene,ethane (C₂), propane (C₃), butane (C₄), hexane (C₆), octane (C₈), decane(C₁₀), dodecane (C₁₂), propylene-propane mix, ethylene-ethane mix,Normal Alpha Olefins (C₄-C₃₀₊), 1-butene, 1-pentene, 1-hexene,1-heptene, 1-octene, 1-nonene, 1-decene, 1-dodecene, 1-tetradecene,1-hexadecene, 1-octadecene, butadiene, benzene, toluene, xylenes,ethylbenzene, styrene, cyclohexane, methylcyclohexane, adipic acid,adiponitrile, hexamethylene diamine (HMDA), caprolactam, 1-dodecene,tetradecene, hexadecane, octadecene, a C₂₀-C₂₄ normal alpha olefin orpolyene, a C₂₄-C₂₈ normal alpha olefin or polyene, or a C₃₀₊ normalalpha olefin or polyene.

Aspects of this disclosure are illustrate in FIG. 1 and in FIG. 2 .Thus, FIG. 1 and FIG. 2 illustrate aspects of the disclosure showingexemplary process flowchart routings following the introduction ofpyrolysis oil as a co-feedstock with natural gas liquids to a cracker.For each illustrated product, even those removed several steps from theintroduction of the pyrolysis oil, the fraction or percent of circularproduct can be demonstrated using the mass balance accounting approachdisclosed herein.

For example, in an aspect, (a) when present, the petroleum-based, fossilfuel-based, or bio-based feed can comprise natural gas liquids (NGL);(b) the primary processing unit is a cracker; and (c) the one or moreprimary processing unit output streams comprise circular ethylene,propylene, benzene, toluene, xylenes, or other aromatics. Further tothis aspect, (d) the one or more secondary processing unit outputstreams, the one or more tertiary processing unit output streams, or theone or more subsequent processing unit output streams can comprise acircular chemical selected independently from xylenes, p-xylene,hydrogen, styrene, ethylbenzene, cyclohexane, nylon, butadiene, rubber,polybutadiene rubber (PBR), styrene-butadiene rubber (SBR),nitrile-butadiene rubber (NBR), polychloroprene rubber (neoprene),Normal Alpha Olefins (C₄-C₃₀₊), 1-butene, 1-pentene, 1-hexene,1-heptene, 1-octene, 1-nonene, 1-decene, 1-dodecene, 1-tetradecene,1-hexadecene, 1-octadecene, polyethylene homopolymers and copolymers,polypropylene homopolymers and copolymers, a polyalphaolefin comprisinga normal alpha olefin (C₄-C₃₀₊) monomeric unit, a C₂₀-C₂₄ normal alphaolefin or polyene, a C₂₄-C₂₈ normal alpha olefin or polyene, a C₃₀₊normal alpha olefin or polyene, mixed decenes, mercaptans, organicsulfides, methyl ethyl sulfide (MES), methyl mercaptan (MeSH), dimethylsulfide (DMS), dimethyl disulfide (DMDS), or betamercaptoethanol, theweight or fraction of which is attributable to the pyrolysis oil orplastic waste is determined by mass balance.

In an aspect, there is provided herein for further using the circularchemical and polymers produced according to this disclosure in themanufacture of synthetic oil, additives for oil, detergents, L-cysteine,mining chemicals, sulfonated asphalt, transformer oils, dielectricfluids, and greases.

In another aspect: (a) when present, the petroleum-based, fossilfuel-based, or bio-based feed can comprise natural gas liquids (NGL);(b) the primary processing unit is a cracker; and (c) the one or moreprimary processing unit output streams comprise circular ethylene orpropylene. Further to this aspect, (d) the one or more secondaryprocessing unit output streams, the one or more tertiary processing unitoutput streams, or the one or more subsequent processing unit outputstreams can comprise a circular chemical selected independently frompolyethylene homopolymers and copolymers, polypropylene homopolymers andcopolymers, butadiene, butadiene feedstock (BDFS), Normal Alpha Olefins(C₄-C₃₀₊), 1-butene, 1-pentene, 1-hexene, 1-heptene, 1-octene, 1-nonene,1-decene, 1-dodecene, 1-tetradecene, 1-hexadecene, 1-octadecene, apolyalphaolefin comprising a normal alpha olefin (C₄-C₃₀₊) monomericunit, the weight or fraction of which is attributable to the pyrolysisoil or plastic waste is determined by mass balance.

In a further aspect, (a) when present, the petroleum-based, fossilfuel-based, or bio-based feed can comprise natural gas liquids (NGL);(b) the primary processing unit is a cracker; and (c) the one or moreprimary processing unit output streams, the one or more secondaryprocessing unit output streams, the one or more tertiary processing unitoutput streams, or the one or more subsequent processing unit outputstreams can comprise or can be selected from circular products asillustrated in FIG. 1 or in FIG. 2 .

This disclosure also provides for producing chemicals or polymers fromplastic waste as disclosed, and further comprising the step of using thecircular chemical in the manufacture of a commercial product.

In an aspect, any one or more of the primary, secondary, tertiary, orsubsequent processing unit output streams can comprise circular NormalAlpha Olefins (C₄-C₃₀₊), the weight or fraction of which is attributableto the pyrolysis oil or plastic waste is determined by mass balance. Forexample, any one or more of the primary, secondary, tertiary, orsubsequent processing unit output streams can comprise circular1-butene, 1-pentene, 1-hexene, 1-heptene, 1-octene, 1-nonene, 1-decene,1-dodecene, 1-tetradecene, 1-hexadecene, 1-octadecene and combinationsthereof, the weight or fraction of which is attributable to thepyrolysis oil or plastic waste is determined by mass balance. In anotheraspect, any one or more of the primary, secondary, tertiary, orsubsequent processing unit output streams can comprise circularpolyalphaolefins, the weight or fraction of which is attributable to thepyrolysis oil or plastic waste is determined by mass balance.

One or more of the primary, secondary, tertiary, or subsequentprocessing unit output streams can comprise circular hydrogen, drillingfluids, waxes, aromatic compounds, butadiene, sulfolene, sulfolane,rubber, sulfur compounds (e.g, methyl ethyl sulfide (MES), methylmercaptan (MeSH), dimethyl sulfide, dimethyl disulfide), sulfonatedasphalt (SAS), the weight or fraction of which is attributable to thepyrolysis oil or plastic waste is determined by mass balance.

Because of the flexibility of the process described herein, a wide rangeof products can be produced and tracked and certified as circular. In anaspect, for example, at least one circular product can comprise or canbe selected from normal alpha olefins (C₄-C₃₀₊), ethane, propane,butane, hexane, octane, decane, dodecane, ethylene, propylene, 1-butene,2-butene, 1-hexene, 1-pentene, 1-hexene, 1-heptene, 1-octene, 1-nonene,1-decene, 1-dodecene, 1-tetradecene, 1-hexadecene, 1-octadecene,acetylene, hydrogen, isoprene, debutanized aromatic concentrate,amylene, benzene toluene xylenes stream, ethylene-rich gas, propanepropylene mix, dicyclopentadiene, propylene in polypropylene mix,polyethylene homopolymers, polyethylene copolymers, ethylene-ionomercopolymers, ethylene-propylene elastomers, chlorosulfonatedpolyethylene, polypropylene homopolymers, polypropylene copolymers,polyalphaolefin, poly(1-butene) polymers and copolymers, poly(1-pentene)polymers and copolymers, poly(1-hexene) polymers and copolymers,poly(1-heptene) polymers and copolymers, poly(1-octene) polymers andcopolymers, poly(1-nonene) polymers and copolymers, poly(1-decene)polymers and copolymers, poly(1-dodecene) polymers and copolymers,poly(1-tetradecene) polymers and copolymers, poly(1-hexadecene) polymersand copolymers, poly(1-octadecene) polymers and copolymers, vinylchloride, ethylbenzene, acetaldehyde, vinyl acetate, poly(vinyl acetate)homopolymers, poly(vinyl acetate) copolymers, poly(vinyl chloride)homopolymers, poly(vinyl chloride) copolymers, vinyl chloride-vinylacetate copolymers, 1,1,2-trichloroethane, vinylidene chloride,polyvinylidene chloride, ethylene oxide, ethylene glycol, poly(ethyleneterephthalate), polyethylene glycol-polyalkylene glycol copolymers,ethoxylated phenols, ethoxylated amines, diethylene glycol, polyesters,unsaturated polyester, polyester polyols, adipic acid, polyurethaneresins, hydroxyethyl starch, hydroxyethyl gums, hydroxyethyl cellulose,ethylbenzene, styrene, divinylbenzene, polystyrene, styrene-butadienecopolymers, acrylonitrile-butadiene-styrene terpolymers,styrene-acrylonitrile copolymers, polyester resins,styrene-divinylbenzene resin, styrene-alkyd copolymers, styrene-maleicanhydride copolymers, acetaldehyde, pentaerythritol, alkyd resins,acetic acid, ethylene-vinyl acetate copolymers, vinyl chloride-vinylacetate copolymers, poly(vinyl alcohol), poly(vinyl butyral), poly(vinylformal), acrylonitrile, propylene oxide, cumene, n-butyraldehyde,isobutyraldehyde, allyl chloride, acrylic acid esters, methyl alcohol,ethyl alcohol, isopropyl alcohol, acrylonitrile, polyacrylonitrile,modacrylic copolymers, acrylonitrile butadiene styrene (ABS), styreneacrylonitrile resin (SAN), nitrile elastomers, acrylonitrile copolymers,hexamethylene diamine, nylon 6,6, acrylamide, polyacrylamidehomopolymers, polyacrylamide copolymers, propylene oxide, propyleneglycol, poly(ethylene glycol) homopolymers, poly(ethylene glycol)copolymers, poly(propylene glycol) homopolymers, poly(propylene glycol)copolymers, n-butyraldehyde, poly(vinyl butyral), n-butyric acid,n-butyric anhydride, cellulose acetate butyrate, isobutyraldehyde,neopentyl glycol, polyurethanes, allyl chloride, epichlorohydrin epoxyresins, acrylic acid esters, acrylic homopolymers and copolymers,isopropyl alcohol, acetone, bisphenol A, epoxy resins, polycarbonates,polysulfones, methyl acrylate, methyl methacrylate, methacrylic acid,poly(methyl methacrylate) homopolymers, poly(methyl methacrylate)copolymers, poly(methacrylate) homopolymers, poly(methacrylate)copolymers, mixed butenes and butane, maleic anhydride, butylene oxide,1-butene, mixed butenes, isobutene, butane, butadiene, styrene,polybutadiene elastomer, polybutadiene resins, hexamethylene diamine,nylons, chloroprene, neoprene elastomer, 1,5-cyclooctadiene,ethylene-propylene terpolymer elastomer, 1,5,9-cyclododecatriene,dodecanoic acid, nylon 6,12, qiana, lauryl lactam, nylon 12,OH-terminated polymers and copolymers, polyurethane elastomers,1,4-hexadiene, maleic anhydride, alkyd resins, styrene-maleic anhydridecopolymer, butylene oxide, poly(butylene oxide) polyurethanes, mixedbutenes, isobutene, poly(butenes), poly(isobutene), butyl rubber, aceticacid, drilling fluids, waxes, aromatic compounds, butadiene, sulfolene,sulfolane, rubbers, methyl ethyl sulfide (MES), methyl mercaptan (MeSH),dimethyl sulfide, dimethyl disulfide, sulfonated asphalt (SAS), benzene,ethylbenzene, benzenesulfonic acid, chlorobenzene, cyclohexane,nitrobenzene, dinitrotoluene, maleic anhydride, toluene,dinitrotoluenes, toluene diisocyanate, urethanes, styrene,benzenesulfonic acid chlorobenzene, phenol, phenolic resins,2,6-xylenol, poly(phenylene oxide), phenylene oxide, o-xylene, m-xylene,or p-xylene, acetone, cyclohexane, adipic acid, nylon 66, polyurethanes,caprolactam, nylon 6, nitrobenzene, aniline, polymeric isocyanates,urethanes, xylenes, o-xylene, phthalic anhydride, alkyd resins,urethanes, polyurethanes, m-xylene, isophthalic acid, alkyd resins,polyamide resins, diphenyl isophthalate, polybenzimidazoles, p-xylene,terephthalic acid, poly(ethylene terephthalate), poly(butyleneterephthalate), methane, formaldehyde, carbon dioxide, carbon disulfide,hydrogen cyanide, methanol, chloroform, acetylene, formaldehyde, urea,urea-formaldehyde resins, melamine-formaldehyde resins,phenol-formaldehyde resins, polyformaldehyde polymers and copolymers(acetal resins), pentaerythritol, alky resins, aniline-formaldehyderesins, butanediol, poly(butylene terephthalate), phosgene, isocyanates,polyurethanes, regenerated cellulose, hydrogen cyanide, hexamethylenediamine, methanol, acetic acid, cellulose acetate, cellulose acetatebutyrate, vinyl acetate, poly(vinyl acetate) polymers and copolymers,chloroform, tetrafluoroethylene poly(tetrafluoroethylene), acetylene,acrylate esters, vinyl fluoride, poly(vinyl fluoride), 1,4-butandiol,vinylpyrrolidone, or poly(vinylpyrrolidone), the weight or fraction ofwhich is attributable to the pyrolysis oil or plastic waste isdetermined by mass balance.

Further Polymeric Products and Intermediates Which Can Be Certified asCircular. The economic importance of polymers and the scale of theirproduction suggests very beneficial applications of the disclosedprocesses. Therefore, examples of fundamental molecular building blocksand products produced therefrom, including polymer products andintermediates, can be illustrated as follows.

In an aspect, any one or more of the primary, secondary, or tertiary,processing unit output streams can comprise circular ethylene; and asubsequent processing unit output stream can comprise circularpolyethylene homopolymers, polyethylene copolymers, ethylene-ionomercopolymers, ethylene-propylene elastomers, chlorosulfonatedpolyethylene, vinyl chloride, ethylene oxide, ethylbenzene,acetaldehyde, vinyl acetate, or polyvinyl acetate, the weight orfraction of which is attributable to the pyrolysis oil or plastic wasteis determined by mass balance.

In another aspect, any one or more of the primary, secondary, ortertiary, processing unit output streams can comprise circular vinylchloride; and a subsequent processing unit output stream can comprisecircular polyvinyl chloride homopolymers, polyvinyl chloride copolymers,vinyl chloride-vinyl acetate copolymers, 1,1,2-trichloroethane,vinylidene chloride, or polyvinylidene chloride, the weight or fractionof which is attributable to the pyrolysis oil or plastic waste isdetermined by mass balance.

According to a further aspect, any one or more of the primary,secondary, or tertiary, processing unit output streams can comprisecircular ethylene oxide; and a subsequent processing unit output streamcan comprise circular ethylene glycol, poly(ethylene terephthalate),polyethylene glycol-polyalkylene glycol copolymers, ethoxylated phenols,ethoxylated amines, diethylene glycol, polyester, unsaturated polyester,polyester polyols, adipic acid, polyurethane resins, hydroxyethylstarch, hydroxyethyl gums, or hydroxyethyl cellulose, the weight orfraction of which is attributable to the pyrolysis oil or plastic wasteis determined by mass balance.

Another aspect of the disclosure provides that any one or more of theprimary, secondary, or tertiary, processing unit output streams cancomprise circular ethylbenzene; and a subsequent processing unit outputstream can comprise circular styrene, polystyrene, styrene-butadienecopolymers, acrylonitrile-butadiene-styrene terpolymers,styrene-acrylonitrile copolymers, polyester resins,styrene-divinylbenzene resin, styrene-alkyd copolymers, orstyrene-maleic anhydride copolymers, the weight or fraction of which isattributable to the pyrolysis oil or plastic waste is determined by massbalance.

Still another aspect of the disclosure provides that any one or more ofthe primary, secondary, or tertiary, processing unit output streams cancomprise circular acetaldehyde; and a subsequent processing unit outputstream can comprise circular pentaerythritol, alkyd resins, or aceticacid, the weight or fraction of which is attributable to the pyrolysisoil or plastic waste is determined by mass balance.

In an aspect, for example, any one or more of the primary, secondary, ortertiary, processing unit output streams can comprise circular vinylacetate; and a subsequent processing unit output stream can comprisecircular poly(vinyl acetate), poly(vinyl acetate) copolymers,ethylene-vinyl acetate copolymers, vinyl chloride-vinyl acetatecopolymers, the weight or fraction of which is attributable to thepyrolysis oil or plastic waste is determined by mass balance.

A further aspect provides that any one or more of the primary,secondary, or tertiary, processing unit output streams can comprisecircular poly(vinyl acetate); and a subsequent processing unit outputstream can comprise circular poly(vinyl alcohol), poly(vinyl butyral),poly(vinyl formal), the weight or fraction of which is attributable tothe pyrolysis oil or plastic waste is determined by mass balance.

Any one or more of the primary, secondary, or tertiary, processing unitoutput streams can comprise circular propylene; and a subsequentprocessing unit output stream can comprise circular polypropylenehomopolymers, polypropylene copolymers, acrylonitrile, propylene oxide,cumene, n-butyraldehyde, isobutyraldehyde, allyl chloride, acrylic acidesters, or isopropyl alcohol, the weight or fraction of which isattributable to the pyrolysis oil or plastic waste is determined by massbalance.

Another aspect provides that any one or more of the primary, secondary,or tertiary, processing unit output streams can comprise circularacrylonitrile; and a subsequent processing unit output stream cancomprise circular polyacrylonitrile, modacrylic copolymers,acrylonitrile butadiene styrene (ABS), styrene acrylonitrile resin(SAN), nitrile elastomers, acrylonitrile copolymers, hexamethylenediamine, nylon 6,6, acrylamide, polyacrylamide homopolymers, orpolyacrylamide copolymers, the weight or fraction of which isattributable to the pyrolysis oil or plastic waste is determined by massbalance.

In an aspect, any one or more of the primary, secondary, or tertiary,processing unit output streams can comprise circular propylene oxide;and a subsequent processing unit output stream can comprise circularpropylene glycol, polyesters, poly(propylene glycols) homopolymers,poly(propylene glycols) copolymers, and polyurethanes, the weight orfraction of which is attributable to the pyrolysis oil or plastic wasteis determined by mass balance.

Any one or more of the primary, secondary, or tertiary, processing unitoutput streams can comprise circular n-butyraldehyde; and a subsequentprocessing unit output stream can comprise circular poly(vinyl butyral),n-butyric acid, n-butyric anhydride, or cellulose acetate butyrate, theweight or fraction of which is attributable to the pyrolysis oil orplastic waste is determined by mass balance.

In addition, any one or more of the primary, secondary, or tertiary,processing unit output streams can comprise circular isobutyraldehyde;and a subsequent processing unit output stream can comprise circularneopentyl glycol, polyesters, or polyurethanes, the weight or fractionof which is attributable to the pyrolysis oil or plastic waste isdetermined by mass balance.

Any one or more of the primary, secondary, or tertiary, processing unitoutput streams can comprise circular allyl chloride; and a subsequentprocessing unit output stream can comprise circular epichlorohydrin orepoxy resins, the weight or fraction of which is attributable to thepyrolysis oil or plastic waste is determined by mass balance.

In another aspect, any one or more of the primary, secondary, ortertiary, processing unit output streams can comprise circular acrylicacid esters; and a subsequent processing unit output stream can comprisecircular acrylic homopolymers and copolymers, the weight or fraction ofwhich is attributable to the pyrolysis oil or plastic waste isdetermined by mass balance.

Any one or more of the primary, secondary, or tertiary, processing unitoutput streams, according to another aspect, can comprise circularisopropyl alcohol; and a subsequent processing unit output stream cancomprise circular acetone, bisphenol A, epoxy resins, polycarbonates,polysulfones, methacrylic acid, poly(methyl methacrylate) homopolymersor poly(methyl methacrylate) copolymers, the weight or fraction of whichis attributable to the pyrolysis oil or plastic waste is determined bymass balance.

Any one or more of the primary, secondary, or tertiary, processing unitoutput streams, in an aspect, can comprise circular mixed butenes andbutane; and a subsequent processing unit output stream can comprisecircular butadiene, maleic anhydride, butylene oxide, 1-butene, mixedbutenes, isobutene, or butane, the weight or fraction of which isattributable to the pyrolysis oil or plastic waste is determined by massbalance.

Further aspects provide that any one or more of the primary, secondary,or tertiary, processing unit output streams can comprise circularbutadiene; and a subsequent processing unit output stream can comprisecircular styrene, polybutadiene elastomer, polybutadiene resins,hexamethylene diamine, nylons, chloroprene, neoprene elastomer,1,5-cyclooctadiene, ethylene-propylene terpolymer elastomer,1,5,9-cyclododecatriene, dodecanoic acid, nylon 6,12, qiana, lauryllactam, nylon 12, OH-terminated polymers and copolymers, polyurethaneelastomers, or 1,4-hexadiene, the weight or fraction of which isattributable to the pyrolysis oil or plastic waste is determined by massbalance.

In an aspect, any one or more of the primary, secondary, or tertiary,processing unit output streams can comprise circular maleic anhydride;and a subsequent processing unit output stream can comprise circularpolyesters, alkyd resins, or styrene-maleic anhydride copolymer, theweight or fraction of which is attributable to the pyrolysis oil orplastic waste is determined by mass balance.

According to an aspect, any one or more of the primary, secondary, ortertiary, processing unit output streams can comprise circular butyleneoxide; and a subsequent processing unit output stream can comprisecircular poly(butylene oxide) or polyurethanes, the weight or fractionof which is attributable to the pyrolysis oil or plastic waste isdetermined by mass balance.

Any one or more of the primary, secondary, or tertiary, processing unitoutput streams can comprise circular 1-butene, mixed butenes, orisobutene; and a subsequent processing unit output stream can comprisecircular poly(1-butene), poly(butene), poly(isobutene), or butyl rubber,the weight or fraction of which is attributable to the pyrolysis oil orplastic waste is determined by mass balance.

Any one or more of the primary, secondary, or tertiary, processing unitoutput streams can comprise circular butane; and a subsequent processingunit output stream can comprise circular acetic acid, the weight orfraction of which is attributable to the pyrolysis oil or plastic wasteis determined by mass balance.

In a further aspect, any one or more of the primary, secondary, ortertiary, processing unit output streams can comprise circular benzene;and a subsequent processing unit output stream can comprise circularethylbenzene, benzenesulfonic acid, chlorobenzene, cumene, cyclohexane,nitrobenzene, or maleic anhydride, the weight or fraction of which isattributable to the pyrolysis oil or plastic waste is determined by massbalance.

Any one or more of the primary, secondary, or tertiary, processing unitoutput streams can comprise circular toluene; and a subsequentprocessing unit output stream can comprise circular dinitrotoluenes,toluene diisocyanate, or urethanes, the weight or fraction of which isattributable to the pyrolysis oil or plastic waste is determined by massbalance.

Still another aspect provides that any one or more of the primary,secondary, or tertiary, processing unit output streams can comprisecircular ethylbenzene; and a subsequent processing unit output streamcan comprise circular styrene, the weight or fraction of which isattributable to the pyrolysis oil or plastic waste is determined by massbalance.

Yet another aspect of this disclosure provides that any one or more ofthe primary, secondary, or tertiary, processing unit output streams cancomprise circular benzenesulfonic acid chlorobenzene, or cumene; and asubsequent processing unit output stream can comprise circular phenol,phenolic resins, bisphenol A, 2,6-xylenol, or poly(phenylene oxide), theweight or fraction of which is attributable to the pyrolysis oil orplastic waste is determined by mass balance.

Another aspect provides that any one or more of the primary, secondary,or tertiary, processing unit output streams can comprise circularcumene; and a subsequent processing unit output stream can comprisecircular acetone, methyl methacrylate, poly(methyl methacrylate)polymers and copolymers, or bisphenol A, the weight or fraction of whichis attributable to the pyrolysis oil or plastic waste is determined bymass balance.

According to an aspect, any one or more of the primary, secondary, ortertiary, processing unit output streams can comprise circularcyclohexane; and a subsequent processing unit output stream can comprisecircular adipic acid, nylon 66, polyesters, polyurethanes, caprolactam,or nylon 6, the weight or fraction of which is attributable to thepyrolysis oil or plastic waste is determined by mass balance.

Another aspect of the disclosure provides that any one or more of theprimary, secondary, or tertiary, processing unit output streams cancomprise circular nitrobenzene; and a subsequent processing unit outputstream can comprise circular aniline, polymeric isocyanates, orurethanes, the weight or fraction of which is attributable to thepyrolysis oil or plastic waste is determined by mass balance.

Any one or more of the primary, secondary, or tertiary, processing unitoutput streams also can comprise circular xylenes; and a subsequentprocessing unit output stream can comprise circular o-xylene, m-xylene,or p-xylene, the weight or fraction of which is attributable to thepyrolysis oil or plastic waste is determined by mass balance.

In an aspect, any one or more of the primary, secondary, or tertiary,processing unit output streams can comprise circular o-xylene; and asubsequent processing unit output stream can comprise circular phthalicanhydride, alkyd resins, polyester resins, polyester polyols, urethanes,or polyurethanes, the weight or fraction of which is attributable to thepyrolysis oil or plastic waste is determined by mass balance.

In another aspect, any one or more of the primary, secondary, ortertiary, processing unit output streams can comprise circular m-xylene;and a subsequent processing unit output stream can comprise circularisophthalic acid, polyesters, alkyd resins, polyamide resins, diphenylisophthalate, or polybenzimidazoles, the weight or fraction of which isattributable to the pyrolysis oil or plastic waste is determined by massbalance.

Any one or more of the primary, secondary, or tertiary, processing unitoutput streams can comprise circular p-xylene; and a subsequentprocessing unit output stream can comprise circular terephthalic acid,poly(ethylene terephthalate), or poly(butylene terephthalate), theweight or fraction of which is attributable to the pyrolysis oil orplastic waste is determined by mass balance.

In an aspect, any one or more of the primary, secondary, or tertiary,processing unit output streams can comprise circular methane; and asubsequent processing unit output stream can comprise circularformaldehyde, phosgene, carbon dioxide, carbon disulfide, hydrogencyanide, methanol, chloroform, or acetylene, the weight or fraction ofwhich is attributable to the pyrolysis oil or plastic waste isdetermined by mass balance.

In addition, any one or more of the primary, secondary, or tertiary,processing unit output streams can comprise circular formaldehyde; and asubsequent processing unit output stream can comprise circularurea-formaldehyde resins, melamine-formaldehyde resins,phenol-formaldehyde resins, polyformaldehyde polymers and copolymers(acetal resins), pentaerythritol, alky resins, aniline-formaldehyderesins, butanediol, or poly(butylene terephthalate), the weight orfraction of which is attributable to the pyrolysis oil or plastic wasteis determined by mass balance.

According to an aspect of the disclosure, any one or more of theprimary, secondary, or tertiary, processing unit output streams cancomprise circular phosgene; and a subsequent processing unit outputstream can comprise circular isocyanates, polyurethanes, orpolycarbonates, the weight or fraction of which is attributable to thepyrolysis oil or plastic waste is determined by mass balance.

In another aspect, any one or more of the primary, secondary, ortertiary, processing unit output streams can comprise circular carbondioxide; and a subsequent processing unit output stream can comprisecircular urea or urea-formaldehyde resins, the weight or fraction ofwhich is attributable to the pyrolysis oil or plastic waste isdetermined by mass balance.

Any one or more of the primary, secondary, or tertiary, processing unitoutput streams can comprise circular carbon disulfide; and a subsequentprocessing unit output stream can comprise circular regeneratedcellulose, the weight or fraction of which is attributable to thepyrolysis oil or plastic waste is determined by mass balance.

Further, any one or more of the primary, secondary, or tertiary,processing unit output streams can comprise circular hydrogen cyanide;and a subsequent processing unit output stream can comprise circularmethyl methacrylate, poly(methyl methacrylate), hexamethylene diamine,or nylons, the weight or fraction of which is attributable to thepyrolysis oil or plastic waste is determined by mass balance.

As provided in this disclosure, any one or more of the primary,secondary, or tertiary, processing unit output streams can comprisecircular methanol; and a subsequent processing unit output stream cancomprise circular acetic acid, cellulose acetate, cellulose acetatebutyrate, vinyl acetate, or poly(vinyl acetate) polymers and copolymers,the weight or fraction of which is attributable to the pyrolysis oil orplastic waste is determined by mass balance.

In another aspect, any one or more of the primary, secondary, ortertiary, processing unit output streams can comprise circularchloroform; and a subsequent processing unit output stream can comprisecircular tetrafluoroethylene or poly(tetrafluoroethylene), the weight orfraction of which is attributable to the pyrolysis oil or plastic wasteis determined by mass balance.

An aspect provides that any one or more of the primary, secondary, ortertiary, processing unit output streams can comprise circularacetylene; and a subsequent processing unit output stream can comprisecircular acrylate esters, vinyl fluoride, poly(vinyl fluoride),1,4-butandiol, poly(butylene terephthalate), vinylpyrrolidone, orpoly(vinylpyrrolidone), the weight or fraction of which is attributableto the pyrolysis oil or plastic waste is determined by mass balance.

In another aspect, any one or more of the primary, secondary, ortertiary, processing unit output streams can comprise circular1,3-butadiene; and a subsequent processing unit output stream cancomprise circular sulfolane or circular sulfolene, the weight orfraction of which is attributable to the pyrolysis oil or plastic wasteis determined by mass balance.

Further, any one or more of the primary, secondary, or tertiary,processing unit output streams can comprise a circular olefin or dieneselected from 1-butene, 1-pentene, 1-hexene, 1-heptene, 1-octene,1-nonene, 1-decene, 1-dodecene, 1-tetradecene, 1-hexadecene,1-octadecene, 1,3-butadiene, and combinations thereof; and a subsequentprocessing unit output stream can comprise circular polyethylenecomprising the circular olefin or diene, the weight or fraction of whichis attributable to the pyrolysis oil or plastic waste is determined bymass balance.

Still further, any one or more of the primary, secondary, or tertiary,processing unit output streams can comprise circular heptane; and asubsequent processing unit output stream can comprise circularsulfonated asphalt (SAS), the weight or fraction of which isattributable to the pyrolysis oil or plastic waste is determined by massbalance.

In an aspect, any one or more of the primary, secondary, or tertiary,processing unit output streams can comprise circular MeSH; and asubsequent processing unit output stream can comprise circularL-cysteine, the weight or fraction of which is attributable to thepyrolysis oil or plastic waste is determined by mass balance.

Any one or more of the primary, secondary, or tertiary, processing unitoutput streams can comprise a circular dimethyl sulfide or dimethyldisulfide, the weight or fraction of which is attributable to thepyrolysis oil or plastic waste is determined by mass balance; and thecircular dimethyl sulfide or dimethyl disulfide is used in miningoperations.

In addition, any one or more of the primary, secondary, or tertiary,processing unit output streams can comprise a circular polyalphaolefin,the weight or fraction of which is attributable to the pyrolysis oil orplastic waste is determined by mass balance; and the circularpolyalphaolefin is used in a wind turbine, engine oil (passenger car orheavy-duty diesel), transmission fluid (standard and hybrid vehicleATF), CVT fluid (continuous variable transmission), axle fluid,industrial gear oil, compressor oil, dielectric fluid (specificallydielectric immersion coolant for computers), hydraulic fluid, industrialgear oil, fiber optic cable filling gel, drilling fluid, oil used inlotions and creams (emollients in cosmetics and toiletries), shampoos,hair care products, greases, gas turbine lubricants, heat transferfluids, metalworking fluids, textile fluids, bearing oils, gun oils(including CLP—clean lube protect—oils), as a component to be combinedwith vegetable oils to produce hydraulic fluids and other bio-basedlubricants, or as viscosity modifiers and other thickeners.

These examples of fundamental molecular building blocks and productsproduced therefrom, including polymer products and intermediates, areillustrative of how the disclosed process can be applied across manydifferent technologies and can lead to the certification of manydifferent products as circular, and these illustrations are not intendedto be exhaustive.

Reactors for the Production of Circular Chemicals and Polymers. Inaddition to considering the disclosed process in terms of the feeds,co-feeds, and products, the process can also be described in terms ofpossible reactor units and combinations of rector units that can producecircular products using pyrolysis oil as a co-feed. Therefore, in theseexamples, pyrolysis oil can be a feedstock or a co-feedstock, and any ofthe products can be certified as circular according to the processesdisclosed herein. This list is not intended to be exhaustive, but ratherexemplary of the types of reactors and reactor combinations that theprocess can be applied to. The processes for calculating the weight ofthe circular product is set out in the Examples and explained herein.

In an aspect, for example, the primary, the secondary, the tertiary, orsubsequent processing units can comprise or can be selectedindependently from a refinery crude unit, an atmospheric distillationunit, a vacuum distillation unit, a separation unit, a hydroprocessingunit, a fluid catalytic cracking (FCC) unit, an FCC pre-treating unitupstream of a fluid catalytic cracking (FCC) unit, a steam cracking unit(liquid or gas), a natural gas liquids (NGL) unit, a reforming(aromatics) unit, an alkylation reactor, an aromatics purification unit,a polymerization reactor, an olefin oligomerization unit, anisomerization reactor, a metathesis reactor, a hydroformylation unit, adehydroformylation unit, an oxidation unit, a reduction unit, anitration unit, an amination unit, a nitrile unit, an amidation unit, ahydrogenation unit, a Fischer-Tropsch reactor, a methanol-to-olefinsreactor, an alkylation unit, a catalytic dehydrogenation unit, apolyester unit, a polyamide unit, or a combination thereof.

In one aspect, one of the primary, the secondary, the tertiary, orsubsequent processing units is a refinery crude unit. In the process,(a) one of the primary, the secondary, the tertiary, or subsequentprocessing units is a refinery crude unit; and (b) one or more of therefinery crude unit output streams comprise circular alkanes, circularnaphthenes, circular natural gas liquids, circular light naphtha,circular heavy naphtha, circular gasoline, circular kerosene, circulardiesel, or circular fuel oil.

In another aspect, unless otherwise indicated (such as when the primaryprocessing unit feed is 100 wt % pyrolysis oil), (a) one of the primary,the secondary, the tertiary, or subsequent processing units is ahydroprocessing unit; and (b) the hydroprocessing unit feed furthercomprises hydrogen. In another aspect, unless otherwise indicated, (a)one of the primary, the secondary, the tertiary, or subsequentprocessing units is a hydroprocessing unit; and (b) the hydroprocessingunit can comprise or can be selected independently from a hydrocracker,a catalytic cracker operated in hydropyrolysis mode, a fluid catalyticcracker operated in hydropyrolysis mode, or a hydrotreater. A furtheraspect provides that unless otherwise indicated, (a) one of the primary,the secondary, the tertiary, or subsequent processing units ishydroprocessing unit; (b) the hydroprocessing unit feed can comprisepetroleum or a heavy hydrocarbon fraction of petroleum and hydrogen; and(c) one or more of the hydroprocessing unit output streams comprisecircular gasoline, circular fuel oil, circular naphtha, or circularolefins.

In another aspect, one of the primary, the secondary, the tertiary, orsubsequent processing units is a fluid catalytic cracker (FCC) or anytype of cracking unit. In one aspect, (a) one of the primary, thesecondary, the tertiary, or subsequent processing units is a fluidcatalytic cracker (FCC) or any type of cracking unit; (b) unlessotherwise indicated (such as when the primary processing unit feed is100 wt % pyrolysis oil), the FCC unit feed can comprise a heavyhydrocarbon fraction of petroleum; and (c) one or more of the FCC unitoutput streams comprise circular gasoline, circular fuel oil, circularnaphtha, or circular olefins.

A further aspect provides that one of the primary, the secondary, thetertiary, or subsequent processing units is an FCC pre-treating unitupstream of a fluid catalytic cracking (FCC) unit. In this aspect, (a)one of the primary, the secondary, the tertiary, or subsequentprocessing units is an FCC pre-treating unit upstream of a fluidcatalytic cracking (FCC) unit; (b) unless otherwise indicated, the FCCpre-treating unit feed can comprise petroleum or a heavy hydrocarbonfraction thereof; and (c) one or more of the FCC pre-treating unitoutput streams comprise a circular hydrocarbon having a lower sulfurcontent, a lower aromatic content, or both, as compared with the sulfurcontent and/or aromatic content in the feed.

In another aspect, one of the primary, the secondary, the tertiary, orsubsequent processing units is a steam cracking unit. For example, (a)one of the primary, the secondary, the tertiary, or subsequentprocessing units is a steam cracking unit; (b) and unless otherwiseindicated such as when the primary processing unit feed is 100 wt %pyrolysis oil, the steam cracking unit feed can comprise naphtha,liquefied petroleum gas (LPG), or light (C₂-C₅) hydrocarbons; and (c)one or more of the steam cracking unit output streams comprise circularethylene, circular propylene, or a combination thereof. In this aspect,the concentration of ethylene and propylene in the one or more steamcracking unit output streams is greater than the concentration ofethylene and propylene in the steam cracking unit feed.

In another aspect, (a) one of the primary, the secondary, the tertiary,or subsequent processing units is a natural gas liquids (NGL) unit; and(b) unless otherwise indicated, the NGL unit feed can comprise arefinery-transfer stream. Thus, (a) one of the primary, the secondary,the tertiary, or subsequent processing units is a natural gas liquids(NGL) unit; and (b) unless otherwise indicated, one or more of the NGLunit output streams comprise circular light (C₂-C₅) hydrocarbons.

A further aspect provides that (a) the primary processing unit is anatural gas liquids (NGL) unit; and (b) unless otherwise indicated, theprimary processing unit output stream can comprise circular light(C₂-C₅) hydrocarbons.

Another aspect of this disclosure provides that one of the primary, thesecondary, the tertiary, or subsequent processing units is a reformingunit. For example, (a) the primary processing unit is a reforming unit;and (b) unless otherwise indicated, the reforming unit feed can comprisepyrolysis oil and naphtha. In a further example, (a) the primaryprocessing unit is a reforming unit; (b) unless otherwise indicated, thereforming unit feed can comprise pyrolysis oil and naphtha; and (c) thereforming unit output stream can comprise circular aromatic hydrocarbonsin a higher concentration than is present in the primary processing unitfeed.

In an aspect, (a) the secondary processing unit is a separation unit;and (b) the separation unit feed can comprise aromatic hydrocarbons,aliphatic hydrocarbons, and hydrogen. For example, (a) the secondaryprocessing unit is a separation unit; (b) the separation unit feed cancomprise aromatic hydrocarbons, aliphatic hydrocarbons, and hydrogen;and (c) the separation unit output streams comprise an aromatichydrocarbon-rich stream, an aliphatic hydrocarbon-rich stream, andwherein at least a portion of the aliphatic hydrocarbon-rich stream isrecycled to the reforming unit.

Another aspect provides that unless otherwise indicated, (a) one of theprimary, the secondary, the tertiary, or subsequent processing units isa polymerization reactor; (b) the polymerization reactor feed cancomprise circular ethylene; and (c) the polymerization output stream cancomprise circular polyethylene. In this aspect, the polymerizationreactor feed further can comprise a circular comonomer or a non-circularcomonomer. Also in this aspect and unless otherwise indicated, (a) oneof the primary, the secondary, the tertiary, or subsequent processingunits is a polymerization reactor; (b) the polymerization reactor feedcan comprise circular propylene; and (c) the polymerization outputstream can comprise circular polypropylene.

Combinations of Reactors for Production of Circular Chemicals andPolymers. In addition, a variety of specific combinations of reactorunits or processing units can be envisioned that can use the disclosedprocess of producing and certifying product as circular. Again, in theseexamples, pyrolysis oil can be a feedstock or a co-feedstock, and any ofthe products can be certified as circular according to the processesdisclosed herein. These specific combinations of reactors are merelyexemplary and not exhaustive.

Combinations Which May Relate to Producing Ethylene, Propylene, andNormal Alpha Olefins. In an aspect: (a) unless otherwise indicated, oneof the primary processing units is a refinery crude unit, the refinerycrude unit feed can comprise petroleum and pyrolysis oil, and therefinery crude unit output stream can comprise circular natural gasliquids; (b) one of the secondary processing units is a natural gasliquids (NGL) unit, wherein the NGL unit feed can comprise circularnatural gas liquids from the refinery crude unit, and wherein the NGLunit output stream can comprise circular light (C₂-C₅) hydrocarbons; and(c) one of the tertiary processing units is a steam cracking unit, thesteam cracking unit feed can comprise circular light (C₂-C₅)hydrocarbons from the NGL unit, and the steam cracking unit outputstream can comprise circular light (C₂-C₅) olefins.

In another aspect of the disclosed process: (a) unless otherwiseindicated, one of the primary processing units is a natural gas liquids(NGL) unit, the NGL unit feed can comprise natural gas liquids andpyrolysis oil, and the NGL unit output stream can comprise circularlight (C₂-C₅) hydrocarbons; and (b) one of the secondary processingunits is a steam cracking unit, the steam cracking unit feed cancomprise circular light (C₂-C₅) hydrocarbons from the NGL unit, and thesteam cracking unit output stream can comprise circular light (C₂-C₅)olefins.

In either of the above aspects which involve an NGL unit: (a) the NGLunit output stream can comprise circular ethane (C₂); and (b) the steamcracking unit feed can comprise circular ethane (C₂), and the steamcracking unit output stream can comprise circular ethylene. In thisaspect, other downstream processing units can be used, for example, (c)one of the tertiary processing units is a polymerization unit, thepolymerization unit feed can comprise circular ethylene from the steamcracking unit, and the polymerization unit output stream can comprisecircular polyethylene. Also in this aspect, (c) one of the tertiaryprocessing units is an olefin oligomerization unit, the olefinoligomerization unit feed can comprise circular ethylene from the steamcracking unit, and the olefin oligomerization unit output stream cancomprise C₄ to C₃₀ normal alpha-olefins.

Alternatively, in the above aspects which involve an NGL unit: (a) theNGL unit output stream can comprise circular propane (C₃); and (b) thesteam cracking unit feed can comprise circular propane (C₃), and thesteam cracking unit output stream can comprise circular propylene.Further, if desired, (c) one of the tertiary processing units is apolymerization unit, the polymerization unit feed can comprise circularpropylene from the steam cracking unit, and the polymerization unitoutput stream can comprise circular polypropylene.

Combinations Which May Relate to Producing Benzene, Styrene, andPolystyrene. In another aspect of reactor combinations: (a) unlessotherwise indicated, one of the primary processing units is a refinerycrude unit, the refinery crude unit feed can comprise petroleum andpyrolysis oil, and the refinery crude unit output stream can comprisecircular naphtha; and (b) one of the secondary processing units is areforming unit, the reforming unit feed can comprise circular naphthafrom the refinery unit, and the reforming unit output stream cancomprise circular benzene. Further to this aspect, (c) one of thetertiary processing units is an alkylation unit, the alkylation unitfeed can comprise ethylene from the steam cracking unit and circularbenzene from the reforming unit, and the alkylation unit output streamcan comprise circular ethylbenzene. Still further to this aspect, (d)one of the quaternary processing units is a dehydrogenation unit, thealkylation unit feed can comprise circular ethylbenzene from thealkylation unit, and the dehydrogenation unit output stream can comprisecircular styrene. Yet further to this aspect, (e) one of the quinaryprocessing units is a polymerization unit, the polymerization unit feedcan comprise circular styrene from the dehydration unit, and thepolymerization unit output stream can comprise circular polystyrene.

In another aspect, (a) unless otherwise indicated, one of the primaryprocessing units is a refinery crude unit, the refinery crude unit feedcan comprise petroleum and pyrolysis oil, and two refinery crude unitoutput streams comprise, independently, [1] circular natural gasliquids, and [2] circular naphtha; (b) one of the secondary processingunits is a natural gas liquids (NGL) unit, wherein the NGL unit feed cancomprise circular natural gas liquids from the refinery crude unit, andwherein the NGL unit output stream can comprise circular light (C₂-C₅)hydrocarbons; and one of the secondary processing units is a reformingunit, wherein the reforming unit feed can comprise circular naphtha fromthe refinery crude unit, and the reforming unit output streams comprisecircular benzene; (c) one of the tertiary processing units is a steamcracking unit, the steam cracking unit feed can comprise circular light(C₂-C₅) hydrocarbons from the NGL unit, and the steam cracking unitoutput stream can comprise circular ethylene; (d) one of the quaternaryprocessing units is an alkylation unit, the alkylation unit feed cancomprise circular ethylene from the steam cracking unit and circularbenzene from the reforming unit, and the alkylation unit output streamcan comprise circular ethylbenzene; and (e) one of the quinaryprocessing units is a dehydrogenation unit, the alkylation unit feed cancomprise circular ethylbenzene from the alkylation unit, and thedehydrogenation unit output stream can comprise circular styrene.Further to this aspect, (f) one of the senary processing units is apolymerization unit, the polymerization unit feed can comprise circularstyrene from the dehydration unit, and the polymerization unit outputstream can comprise circular polystyrene.

Combinations Which May Relate to Producing Nylon and Nylon Precursors.In another reactor combination which may be relevant to the productionof nylon and its precursors: (a) unless otherwise indicated, one of theprimary processing unit is a reforming unit, the reforming unit feed cancomprise naphtha and pyrolysis oil, and the reforming unit outputstreams comprise circular benzene; and (b) one of the secondaryprocessing unit is a hydrogenation unit, wherein the hydrogenation unitfeed can comprise circular benzene from the reforming unit and hydrogen,and the hydrogenation unit output stream can comprise circularcyclohexane. Further to this aspect, (c) one of the tertiary processingunit is an oxidation unit, the oxidation unit feed can comprise circularcyclohexane, air, and nitric acid, and the oxidation unit output streamcan comprise circular adipic acid. Further still to this aspect, (d) oneof the quaternary processing unit is a nitrile unit, the nitrile unitfeed can comprise circular adipic acid, and the nitrile unit outputstream can comprise circular adiponitrile. Still further to this aspect:(e) one of the quinary processing units is a reduction unit, thereduction unit feed can comprise circular adiponitrile, and thereduction unit output stream can comprise circular hexamethylene diamine(HMDA). Further to this aspect: (f) one of the senary processing unitsis a polymerization unit, the polymerization unit feed comprise circularadipic acid and circular hexamethylene diamine (HMDA), and thepolymerization unit output stream can comprise circular Nylon 6,6.

In another reactor combination which may be relevant to the productionof nylon and its precursors: (a) one of the primary processing unit is areforming unit, the reforming unit feed can comprise naphtha andpyrolysis oil, and the reforming unit output streams comprise circularbenzene; (b) one of the secondary processing unit is a hydrogenationunit, wherein the hydrogenation unit feed can comprise circular benzenefrom the reforming unit and hydrogen, and the hydrogenation unit outputstream can comprise circular cyclohexane; and (c) one of the tertiaryprocessing units is an amidation unit, the amidation unit feed cancomprise circular cyclohexane, and the amidation unit output stream cancomprise circular caprolactam. Further to this aspect: (d) one of thequaternary processing units is a polymerization unit, the polymerizationunit feed comprise circular caprolactam, and the polymerization unitoutput stream can comprise circular Nylon 6.

Again, while a variety of reactor combinations for producing circularchemicals and polymers according to this disclosure are presented,specific combinations of reactors are to be considered as merelyexemplary and not exhaustive. Using pyrolysis oil as a feedstock or aco-feedstock, and any of the products can be certified as circularaccording to the processes disclosed herein.

Separation of Pyrolysis Oil. In the aspects of the disclosure describedabove, the pyrolysis oil was used without prior separation into itslight and heavy components. However, it is possible and in some casesmay be desirable to separate the pyrolysis oil into components basedupon the intended use of the pyrolysis oil and the reactor into which itis desired to introduce the pyrolysis oil as a feed or co-feed. Even ifthe pyrolysis oil is separated, the accounting process of thisdisclosure can be used to certify products as circular.

Therefore in one aspect, this disclosure provides a process forproducing chemicals or polymers from plastic waste, the processcomprising:

-   -   (a) providing a pyrolysis oil from plastic waste, wherein the        pyrolysis oil comprises light (C₂-C₅) hydrocarbons and heavy        (C₆₊) hydrocarbons;    -   (b) separating at least a portion of the pyrolysis oil into a        pyrolysis gas stream comprising light (C₂-C₅) hydrocarbons and a        pyrolysis liquid stream comprising the heavy (C₆₊) hydrocarbons;    -   (c) optionally, providing a petroleum-based, fossil fuel-based,        or bio-based feed;    -   (d) introducing one or more primary processing unit feeds, each        comprising independently, [1] the pyrolysis gas stream, the        pyrolysis liquid stream, the pyrolysis oil, or any combination        thereof, and [2] when present, the petroleum-based, fossil        fuel-based, or bio-based feed, each at a known feed rate, into        one or more primary processing units, thereby providing one or        more primary processing unit feeds, each comprising at least a        portion of the pyrolysis oil in a known concentration; and    -   (e) converting the one or more primary processing unit feeds        into one or more primary processing unit output streams, a        portion of each output stream comprising at least one circular        product, wherein the weight or the fraction of each circular        product attributable to the pyrolysis oil or plastic waste is        determined by mass balance.        This process can further comprise    -   (f) transferring at least a portion of one, or at least a        portion of more than one, of the primary processing unit output        streams, each at a known feed rate, into one or more secondary        or subsequent processing units, thereby providing one or more        secondary or subsequent processing unit feeds, each comprising a        circular product in a known concentration; and    -   (g) converting the one or more secondary or subsequent        processing unit feeds into one or more secondary or subsequent        processing unit output streams, a portion of each output stream        comprising at least one circular product, wherein the weight or        the fraction of each circular product attributable to the        pyrolysis oil or plastic waste is determined by mass balance;        and    -   (h) repeating steps (f) and (g) any number of times (0 or more)        by:        -   [1] transferring at least a portion of one, or at least a            portion of more than one, of the secondary or subsequent            processing unit output streams, each at a known feed rate,            into one or more tertiary or subsequent processing units,            thereby providing one or more tertiary or subsequent            processing unit feeds, each comprising a circular product in            a known concentration; and        -   [2] converting the one or more tertiary or subsequent            processing unit feeds into one or more tertiary or            subsequent processing unit output streams, a portion of each            output stream comprising at least one circular product,            wherein the weight or the fraction of each circular product            attributable to the pyrolysis oil or plastic waste is            determined by mass balance.

In this aspect, steps (f) and (g) can be carried out any number oftimes, including zero (0), 1, 2, 3, 4, 5, 6, 7, 8, 9, or 10 times, ormore than 10 times. While most processes to track circular productsinclude fewer repetitions, this aspect demonstrates that the disclosedtracking and accounting process can extend through many different stepsacross many different types of reactors.

Accordingly, in either of the preceding aspects (a)-(e) or (a)-(h), theprocess can further comprise:

-   -   (i) certifying any one or more of the products in the primary        processing unit output streams, secondary processing unit output        streams, or tertiary or subsequent processing unit output        streams, as Circular in accordance with International        Sustainability and Carbon Certification (ISCC) standards, based        upon the weight or fraction of the circular product attributable        to the pyrolysis oil or plastic waste determined by mass balance        and the free attribution method.

In one aspect, the pyrolysis oil, the pyrolysis gas stream, thepyrolysis liquid stream, or a combination thereof can be introduced intoone or more of the secondary processing units or one or more of thesecondary input streams, thereby providing one or more secondaryprocessing unit feeds comprising a circular product in a knownconcentration and the pyrolysis oil or a fraction thereof in a knownconcentration.

In another aspect, the pyrolysis oil, the pyrolysis gas stream, thepyrolysis liquid stream, or a combination thereof is introduced into oneor more of the tertiary or subsequent processing units or one or more ofthe tertiary or subsequent input streams, thereby providing one or moretertiary or subsequent processing unit feeds comprising a circularproduct in a known concentration and the pyrolysis oil or a fractionthereof in a known concentration.

Further to the process for producing chemicals or polymers from plasticwaste according the above-describe aspects: (a) the primary processingunit is a natural gas liquids (NGL) unit, wherein: [1] the NGL unit feedcan comprise pyrolysis oil, at least a portion of the pyrolysis gasstream, of both; [2] one or more of the NGL unit output streams cancomprise light (C₂-C₅) hydrocarbons in a higher total concentration thanis present in the pyrolysis gas stream; and [3] the fraction of light(C₂-C₅) hydrocarbons attributable to the pyrolysis oil or plastic wasteis determined by mass balance; and (b) the secondary processing unit isa steam cracker, wherein: [1] the steam cracker feed can comprise atleast a portion of the NGL unit output stream comprising light (C₂-C₅)hydrocarbons; [2] the steam cracker product stream comprising ethylenein a higher total concentration than is present in the NGL unit outputstream; and [3] the fraction of ethylene attributable to the pyrolysisoil or plastic waste is determined by mass balance.

Further to this aspect, the examples of processing units in this sectionare also exemplary. For example, the primary, the secondary, thetertiary, or subsequent processing units can comprise or can be selectedindependently from a refinery crude unit, an atmospheric distillationunit, a vacuum distillation unit, a separation unit, a hydroprocessingunit, a fluid catalytic cracking (FCC) unit, an FCC pre-treating unitupstream of a fluid catalytic cracking (FCC) unit, a steam cracking unit(liquid or gas), a natural gas liquids (NGL) unit, a reforming(aromatics) unit, an alkylation reactor, an aromatics purification unit,a polymerization reactor, an isomerization reactor, a metathesisreactor, a hydroformylation unit, a dehydroformylation unit, anoxidation unit, a reduction unit, a nitration unit, an amination unit, anitrile unit, an amidation unit, a hydrogenation unit, a Fischer-Tropschreactor, a methanol-to-olefins reactor, an alkylation unit, a catalyticdehydrogenation unit, a polyester unit, a polyamide unit, or acombination thereof.

In another aspect, the process for producing chemicals or polymers fromplastic waste can comprise:

-   -   (a) providing a pyrolysis oil from plastic waste, wherein the        pyrolysis oil comprises light (C₂-C₅) hydrocarbons and heavy        (C₆₊) hydrocarbons;    -   (b) separating at least a portion of the pyrolysis oil into a        pyrolysis gas stream comprising at least a portion of the light        (C₂-C₅) hydrocarbons and a pyrolysis liquid stream comprising at        least a portion of the heavy (C₆₊) hydrocarbons;    -   (c) feeding at least a portion of the pyrolysis gas stream to a        Natural Gas Liquids (NGL) unit to provide an NGL product stream        comprising ethane in a higher total concentration than is        present in the pyrolysis gas stream, wherein the fraction of        ethane attributable to the pyrolysis oil or plastic waste is        determined by mass balance;    -   (d) feeding at least a portion of the pyrolysis liquid stream to        a reforming unit to provide a reforming product stream        comprising benzene in a higher concentration than is present in        the pyrolysis liquid stream, wherein the fraction of benzene        attributable to the pyrolysis oil or plastic waste is determined        by mass balance;    -   (e) processing the NGL product stream in a steam cracker to        provide a steam cracker product stream comprising ethylene in a        higher total concentration than is present in the NGL product        stream, wherein the fraction of ethylene olefins attributable to        the pyrolysis oil or plastic waste is determined by mass        balance;    -   (f) feeding the steam cracker product stream, the reforming        product stream, or both into one or more subsequent processing        units to provide one or more corresponding output streams, a        fraction of each output stream comprising a circular product,        wherein the fraction of the circular product attributable to the        pyrolysis oil or plastic waste is determined by mass balance.        In a further aspect, this process can further comprise the step        of:    -   (g) certifying the chemical or the polymer as Circular in        accordance with International Sustainability and Carbon        Certification (ISCC) standards, based upon the weight or        fraction of the circular product attributable to the pyrolysis        oil or plastic waste determined by mass balance and the free        attribution method.

As a further example and aspect, (a) the steam cracker product streamcomprising ethylene can be fed to a subsequent polymerization unit; and(b) the circular product can comprise circular polyethylene.

Further Aspects and Embodiments of the Disclosed Process. In a furtheraspect, the processes and methods of this disclosure can be described inan alternative method, as follows. The following abbreviations areemployed in this alternative description.

-   -   P; Processing Unit (“Processing Unit” is broader than “Reactor”        because it includes separation units as well as reactors);    -   I; Input Stream (one or multiple Input Streams can be used with        any Processing Unit);    -   F; Feed for any Processing Unit, which is the one or total of        the multiple Input Streams;    -   O; Output stream (one or multiple Output Streams can exist with        any Processing Unit);    -   O^(x.y); I^(x,y); and the like: x=Processing Unit number;        y=Output or Input Stream number for the x^(th) Processing Unit.        For example, two Output Streams for the Primary processing unit        would be designated O^(1.1) and O^(1.2), whereas a single Output        Stream for the Secondary processing unit would be designated        O^(2.1).

Therefore, in an aspect, this disclosure provides a process forproducing chemicals or polymers from plastic waste, the processcomprising:

-   -   (a) providing a pyrolysis oil from plastic waste, wherein the        pyrolysis oil comprises light (C₂-C₅) hydrocarbons and heavy        (C₆₊) hydrocarbons;    -   (b) optionally, providing a petroleum-based, fossil fuel-based,        or bio-based feed;    -   (c) introducing [1] the pyrolysis oil or a fraction thereof and        [2] when present, the petroleum-based, fossil fuel-based, or        bio-based feed, each at a known feed rate, into a primary        processing unit (P¹) as one or more (a) first input streams        (I^(1.1), . . . I^(1,a), a is an integer), thereby providing a        primary processing unit feed (F¹) comprising the pyrolysis oil        in a known concentration; and    -   (d) converting the primary processing unit feed (F¹) into one or        more (m) primary processing unit output streams (O^(1.1), . . .        O^(1.m), m is an integer), each output stream comprising at        least one circular product, wherein the weight or the fraction        of each circular product attributable to the pyrolysis oil or        plastic waste is determined by mass balance.        In another aspect, there are provided the further steps of:    -   (e) transferring at least a portion of one, or at least a        portion of more than one, of the primary processing unit output        streams (O^(1.1), . . . O^(1.m)) into one or more (x) secondary        processing units (P², . . . P^(1+x), x is an integer) as one or        more (b) secondary input streams (I^(2.1), . . . I^(1+x.1), . .        . , wherein b is the total number of secondary input streams),        thereby providing one or more secondary processing unit feeds        (F², . . . F^(1+x)), each comprising a circular product in a        known concentration; and    -   (f) converting the one or more secondary processing unit feeds        (F², . . . F^(1+x)) into one or more (n) secondary processing        unit output streams (O^(2.1), . . . O^(1+x.1), . . . , wherein n        is the total number of secondary processing unit output        streams), each output stream comprising at least one circular        product, wherein the weight or the fraction of each circular        product attributable to the pyrolysis oil or plastic waste is        determined by mass balance.        In yet another aspect, there are provided the further steps of:    -   (g) transferring at least a portion of one, or at least a        portion of more than one, of the secondary processing unit        output streams (O^(2.1), . . . O^(1+x.1), . . . ) into one or        more (y) tertiary processing units (P^(2+x), . . . P^(2+x+y), y        is an integer) as one or more (c) tertiary input streams        (I^(3.1), . . . I^(1+x+y.1), . . . , wherein c is the total        number of tertiary input streams), thereby providing one or more        tertiary processing unit feeds (F^(2+x), . . . F^(2+x+y)), each        comprising a circular product in a known concentration; and    -   (h) converting the one or more tertiary processing unit feeds        (F^(2+x), . . . F^(2+x+y)) into one or more (p) tertiary        processing unit output streams (O^(2+x.1), . . . O^(2+x+y.1), .        . . , wherein p is the total number of tertiary processing unit        output streams), each output stream comprising at least one        circular product, wherein the weight or the fraction of each        circular product attributable to the pyrolysis oil or plastic        waste is determined by mass balance.        In still a further aspect, there is provided the further step of    -   (i) certifying any one or more of the primary processing unit        output streams (O^(1.1), . . . O^(1.m)), one or more of the        secondary processing unit output streams (O^(2.1), . . .        O^(1+x.1), or one or more of the tertiary processing unit output        streams (O^(2+x.1), . . . O^(2+x+y.1), . . . ) as Circular in        accordance with International Sustainability and Carbon        Certification (ISCC) standards, based upon the weight or        fraction of the circular product attributable to the pyrolysis        oil or plastic waste determined by mass balance and the free        attribution method.

According to a further aspect, this process is applicable regardless ofhow a pyrolysis oil co-feed may be introduced to a processing unit. Forexample, the pyrolysis oil can be introduced into the primary processingunit by:

-   -   (a) combining the pyrolysis oil and the petroleum-based, fossil        fuel-based, or bio-based feed prior to introducing the pyrolysis        oil and the petroleum-based, fossil fuel-based, or bio-based        feed into the primary processing unit;    -   (b) introducing the pyrolysis oil directly into the primary        processing unit; or    -   (c) a combination of (a) and (b).        In either case, the calculation and certification of the weight        of circular product is carried out in the same manner as        explained herein and as demonstrated in the Examples.

In one aspect, the pyrolysis oil is not separated into light (C₂-C₅)hydrocarbons and heavy (C₆₊) hydrocarbons prior to introducing thepyrolysis oil into the primary processing unit (P¹). In another aspect,the pyrolysis oil can be separated into the light (C₂-C₅) hydrocarbonsand heavy (C₆₊) hydrocarbons prior to introducing the pyrolysis oil intothe primary processing unit (P¹), and one of the light (C₂-C₅)hydrocarbons or the heavy (C₆₊) hydrocarbons is introduced the pyrolysisoil into the primary processing unit (P¹).

Another aspect provides that pyrolysis oil comprising light (C₂-C₅)hydrocarbons and heavy (C₆₊) hydrocarbons can be introduced into one ormore of the secondary processing units (P², . . . P^(1+x)) or one ormore of the secondary input streams (I^(2.1), . . . I^(1+x.1), . . . ),thereby providing one or more secondary processing unit feeds (F², . . .F^(1+x)) comprising a circular product in a known concentration and thepyrolysis oil. Still a further aspect provides that the pyrolysis oilcomprising light (C₂-C₅) hydrocarbons and heavy (C₆₊) hydrocarbons canbe introduced into one or more of the tertiary processing units(P^(2+x), . . . P^(2+x+y)) or one or more of the tertiary input streams(I^(3.1), . . . I^(1+x+y.1), . . . ), thereby providing one or moretertiary processing unit feeds (F^(2+x), . . . F^(2+x+y)) comprising acircular product in a known concentration and the pyrolysis oil.

In these aspects as well, the primary, the secondary, the tertiary, orsubsequent processing units can comprise or can be selectedindependently from a refinery crude unit, an atmospheric distillationunit, a vacuum distillation unit, a separation unit, a hydroprocessingunit, a fluid catalytic cracking (FCC) unit, an FCC pre-treating unitupstream of a fluid catalytic cracking (FCC) unit, a steam cracking unit(liquid or gas), a natural gas liquids (NGL) unit, a reforming(aromatics) unit, an alkylation reactor, an aromatics purification unit,a polymerization reactor, an olefin oligomerization unit, anisomerization reactor, a metathesis reactor, a hydroformylation unit, adehydroformylation unit, an oxidation unit, a reduction unit, anitration unit, an amination unit, a nitrile unit, an amidation unit, ahydrogenation unit, a Fischer-Tropsch reactor, a methanol-to-olefinsreactor, an alkylation unit, a catalytic dehydrogenation unit, apolyester unit, a polyamide unit, or a combination thereof.

In the disclosed processes, the pyrolysis oil can be present in theprimary processing unit feed in a concentration of from about 0.1 wt %to about 25 wt %; alternatively, from about 0.2 wt % to about 22 wt %;alternatively, from about 0.5 wt % to about 20 wt %; alternatively, fromabout 1 wt % to about 18 wt %; alternatively, from about 2 wt % to about17 wt %; alternatively, from about 5 wt % to about 15 wt %; oralternatively, from about 8 wt % to about 12 wt %. Alternatively, thepyrolysis oil can be present in the primary processing unit feed in aconcentration of from about 25 wt % to about 100 wt %, alternatively,from about 30 wt % to about 98 wt %; alternatively, from about 35 wt %to about 95 wt %; alternatively, from about 40 wt % to about 90 wt %;alternatively, from about 45 wt % to about 85 wt %; or alternatively,from about 50 wt % to about 80 wt %. Further, in the disclosedprocesses, the pyrolysis oil can be present in the primary processingunit feed in a concentration of about 0 wt %, about 5 wt %, about 10 wt%, about 15 wt %, about 20 wt %, about 25 wt %, about 30 wt %, about 35wt %, about 40 wt %, about 45 wt %, about 50 wt %, about 55 wt %, about60 wt %, about 65 wt %, about 70 wt %, about 75 wt %, about 80 wt %,about 85 wt %, about 90 wt %, about 95 wt %, about 97 wt %, about 99 wt%, about 100 wt %, or any range or combination of ranges therebetween.

Compositions Comprising Circular Products. Another aspect of thisdisclosure provides a composition comprising a circular chemical,polymer, material, or product which is certified as circular inaccordance with International Sustainability and Carbon Certification(ISCC) standards. There is also provided a composition comprising acircular chemical or polymer which is certified as circular inaccordance with International Sustainability and Carbon Certification(ISCC) standards, wherein the chemical or polymer is produced inaccordance with any aspect of this disclosure.

Accordingly, there is provided a process for producing chemicals orpolymers from plastic waste, the process comprising:

-   -   (a) introducing (i) a pyrolysis oil and (ii) optionally, a        petroleum-based, fossil fuel-based, or bio-based feed, each at a        known feed rate, into a processing unit as a processing unit        feed, wherein the feed comprises the pyrolysis oil in a known        concentration;    -   (b) converting the processing unit feed into one or more        processing unit output streams, a portion of each output stream        comprising at least one circular product, wherein the weight or        the fraction of each circular product attributable to the        pyrolysis oil or plastic waste is determined by mass balance;        and    -   (c) certifying any one or more of the products in the processing        unit output streams as Circular in accordance with International        Sustainability and Carbon Certification (ISCC) standards, based        upon the weight or fraction of the circular product attributable        to the pyrolysis oil or plastic waste determined by mass balance        and the free attribution method.        In an aspect, a petroleum-based or a fossil fuel-based feed is        not co-fed with the pyrolysis oil into the processing unit. In        another aspect, the pyrolysis oil is present as a processing        unit feed in a concentration of 100 wt %. Still a further aspect        of this process that involves a certifying step provides that        the pyrolysis oil can be present as a processing unit feed in a        concentration of about 0 wt %, about 5 wt %, about 10 wt %,        about 15 wt %, about 20 wt %, about 25 wt %, about 30 wt %,        about 35 wt %, about 40 wt %, about 45 wt %, about 50 wt %,        about 55 wt %, about 60 wt %, about 65 wt %, about 70 wt %,        about 75 wt %, about 80 wt %, about 85 wt %, about 90 wt %,        about 95 wt %, about 97 wt %, about 99 wt %, about 100 wt %, or        any range or combination of ranges therebetween.

EXAMPLES

General Considerations

Pyrolysis oil. According to this disclosure the pyrolysis oil can beadded into an ethylene/ethane cracker, or the pyrolysis oil can be addedinto a fluid catalytic cracker (FCC) at the refinery level. Thereforeunless otherwise noted or unless the context requires otherwise, theterm cracker can refer to either an ethylene/ethane cracker a fluidcatalytic cracker.

Certification calculations of percent circular product. The ISCCSustainability Declarations are issued for discrete mass quantities ofproduct, therefore certification is for a particular product weight.Conversion factors for use in the certification calculation may varyconsiderably depending upon the particular reactor, processing unit, andconditions, and conversion factors are predetermined and thereforebackward looking. Conversion factors can be re-determined as requiredfor certification, for example in the absence of a change in processingconditions, conversion factors can be re-determined and adjustedannually. The certification calculation of the weight of circularproduct is based upon the assumption that most of the weight of thepyrolysis oil added into the cracker and mixed with the petroleum-based,fossil fuel-based, or bio-based feed is also manifested in the circularproduct. Therefore, this calculation assumes that the conversion rateapplies to the pyrolysis oil portion of the feed as well as thepetroleum-based feedstock or fossil fuel-based feedstock.

Therefore, this certification process uses a free attribution method toassign circular product credit to every product stream, minus any wastestreams such as the portion of the stream which is flared. Moreover, thefree attribution method allows all the credit produced from mixing apyrolysis oil stream with a petroleum-based, fossil fuel-based, orbio-based feed to be distributed as desired to any or all of theprocessing unit (e.g. cracker) products from that stream, again less anywaste stream. For example, as long as pyrolysis oil is used to generateethylene, propylene, fuel gas, and any other product which is recoveredfrom a stream, the total circular product credit from all the recoveredproduct can be taken as circular ethylene.

This free attribution method is reasonably grounded in the measured orcalculated conversion factors for the various plants or units which arereflected in this disclosure, which may have conversion factorsof >0.90, for example, in a range of from about 0.90 to about 0.998.Therefore, to determine the weight of circular ethylene produced, thisca. 1 conversion factor is multiplied by the weight of pyrolysis oil fedto the cracker. This free attribution principle is also applied to thepolyethylene (PE) reactor and the fluid catalytic cracker (FCC), whichhave similarly high conversion factors. The application of thiscalculation method is demonstrated in the examples below.

Example 1. Certification Calculation for the Production of Ethylene

A feed containing 10 wt % concentration of pyrolysis oil mixed withpetroleum-based, fossil fuel-based, or bio-based feedstock is fed to acracker. It has been previously calculated over a discrete time periodthat the cracker converts the feedstock into ethylene (60 wt %),propylene (25 wt %), and fuel gas (12 wt %) mix accounting for 97 wt %recovered product, with the remaining 3 wt % flared. Therefore in thisexample, the calculated conversion factor for the cracker is 0.97 forthe previous time period. Every hundred pounds of total feedstockcontain 10 pounds of pyrolysis oil (10 wt % concentration), with thebalance being the petroleum-based, fossil fuel-based, or bio-based feed.The weight of circular product attributed to the pyrolysis oil cantherefore be calculated as 9.7 pounds (10 pounds×0.97 conversionfactor). The entire amount of the 9.7 pounds of circular product isattributed to the recovered ethylene for circularity. Therefore, theresulting circular ethylene is certified as 9.7 pounds in accordancewith the ISCC standards.

Example 2. Certification Calculation for the Production of EthyleneHomopolymer

The ethylene produced according to Example 1 containing circular productis fed to a polymerization reactor and converted to ethylenehomopolymer. Therefore, 60 pounds of ethylene (100 pounds feedstock×60wt %) are calculated to contain 9.7 pounds of circular ethylene. It hasbeen previously calculated over a discrete time period that thepolymerization reactor converts an ethylene feedstock into polyethylene(98 wt %), with the remaining 2 wt % discarded, therefore in thisexample, the calculated conversion factor for the polymerization reactoris 0.98 for the previous time period.

The total polyethylene product from 60 pounds of ethylene is 58.8 pounds(60 pounds total ethylene×0.98 conversion factor). The weight ofcircular polyethylene product attributed to the pyrolysis oil cantherefore be calculated as 9.5 pounds (9.7 pounds circular ethylene×0.98conversion factor) and certified as 9.5 pounds in accordance with theISCC standards.

Example 3. Certification Calculation for the Production of EthyleneCopolymer

The ethylene produced according to Example 1 containing circular productis fed to a polymerization reactor with non-circular comonomer 1-hexeneand converted to poly(ethylene-co-1-hexene) copolymer. Therefore, 60pounds of ethylene (100 pounds feedstock×60 wt %) are calculated tocontain 9.7 pounds of circular ethylene. It has been previouslycalculated over a discrete time period that the polymerization reactorconverts an ethylene and 1-hexene feed into poly(ethylene-co-1-hexene)(98 wt %), with the remaining 2 wt % discarded, therefore in thisexample also, the calculated conversion factor for the polymerizationreactor is 0.98 for the previous time period.

The total poly(ethylene-co-1-hexene) product from 60 pounds of ethyleneis therefore 58.8 pounds (60 pounds total ethylene×0.98 conversionfactor). The weight of circular poly(ethylene-co-1-hexene) productattributed to the pyrolysis oil can therefore be calculated as 9.5pounds (9.7 pounds circular poly(ethylene-co-1-hexene)×0.98 conversionfactor) and certified as 9.5 pounds in accordance with the ISCCstandards.

Example 4. Certification Calculation for the Production of EthyleneCopolymer

The ethylene produced according to Example 1 containing circular productis fed to a polymerization reactor with circular comonomer 1-hexene andconverted to poly(ethylene-co-1-hexene) copolymer. Therefore, 60 poundsof ethylene (100 pounds feedstock×60 wt %) are calculated to contain 9.7pounds of circular ethylene. The feed in this example can contain 60pounds of ethylene (9.7 pounds circular) and 5 pounds 1-hexene, of which1 pounds is certified as circular, for a total feed of 65 pounds with10.7 pounds (9.7 pounds circular ethylene+1 pounds circular 1-hexene) ofthe feed being certified as circular. It has been previously calculatedover a discrete time period that the polymerization reactor converts anethylene and 1-hexene feed into poly(ethylene-co-1-hexene) (98 wt %),with the remaining 2 wt % discarded, therefore in this example also, thecalculated conversion factor for the polymerization reactor is 0.98 forthe previous time period.

The total poly(ethylene-co-1-hexene) product from this 65 pound feed istherefore 63.7 pounds (65 pounds total feed×0.98 conversion factor). Theweight of circular poly(ethylene-co-1-hexene) product attributed to thepyrolysis oil can therefore be calculated as 10.49 pounds [(9.7 poundscircular ethylene×0.98 conversion factor)+(1 pounds circular1-hexene×0.98 conversion factor)] and certified as 10.49 pounds inaccordance with the ISCC standards. This circular product of 10.49pounds can also be readily calculated using the 10.7 pounds of circularproduct in the 65 pounds of feed×0.98 conversion factor.

Example 5. Certification Calculation for the Production of Ethylbenzene

The principles illustrated above can be applied to other products andthe certification of a certain weight of product produced as circular inaccordance with the ISCC standards can be calculated. In this example, abenzene comprising circular benzene is reacted with ethylene comprisingcircular ethylene in a catalyzed reaction to produce ethylbenzene. Eachhundred pounds of total feedstock contain 10 pounds of circular benzeneand 5 pounds of circular ethylene. It has been previously calculatedover a discrete time period that this reactor converts a benzene andethylene feed into a mix of ethylbenzene (95 wt %) plus 3% otherproducts which are recovered, with the remaining 2 wt % discarded.Therefore in this example, the calculated conversion factor for thereaction unit is 0.98 for the previous time period.

The total ethylbenzene product from 100 pounds of total feed istherefore 95 pounds (100 pounds total feed×95 wt %). The weight ofcircular ethylbenzene attributed to the circular benzene and circularethylene can therefore be calculated as 14.7 pounds [(10 pounds circularbenzene×0.98 conversion factor)+(5 pounds circular ethylene×0.98conversion factor)] and certified as 14.7 pounds in accordance with theISCC standards.

According, these and other aspects of the disclosure can further includethe various embodiments that are presented in the ASPECTS OF THEDISCLOSURE set out below.

ASPECTS OF THE DISCLOSURE

Aspect 1. A process for producing chemicals or polymers from plasticwaste, the process comprising:

-   -   (a) providing a pyrolysis oil from plastic waste;    -   (b) providing a petroleum-based, fossil fuel-based, or bio-based        feed;    -   (c) introducing the pyrolysis oil and the petroleum-based,        fossil fuel-based, or bio-based feed, each at a known feed rate,        into one or more primary processing units, thereby providing one        or more primary processing unit feeds, each comprising the        pyrolysis oil in a known concentration; and    -   (d) converting the one or more primary processing unit feeds        into one or more primary processing unit output streams, a        portion of each output stream comprising at least one circular        product, wherein the weight or the fraction of each circular        product attributable to the pyrolysis oil or plastic waste is        determined by mass balance.

Aspect 2. A process for producing chemicals or polymers from plasticwaste according to Aspect 1, wherein the process further comprises:

-   -   (e) transferring at least a portion of one, or at least a        portion of more than one, of the primary processing unit output        streams, each at a known feed rate, into one or more secondary        or subsequent processing units, thereby providing one or more        secondary or subsequent processing unit feeds, each comprising a        circular product in a known concentration; and    -   (f) converting the one or more secondary or subsequent        processing unit feeds into one or more secondary or subsequent        processing unit output streams, a portion of each output stream        comprising at least one circular product, wherein the weight or        the fraction of each circular product attributable to the        pyrolysis oil or plastic waste is determined by mass balance;        and    -   (g) repeating steps (e) and (f) any number of times (zero or        more) by:        -   [1] transferring at least a portion of one, or at least a            portion of more than one, of the secondary or subsequent            processing unit output streams, each at a known feed rate,            into one or more tertiary or subsequent processing units,            thereby providing one or more tertiary or subsequent            processing unit feeds, each comprising a circular product in            a known concentration; and        -   [2] converting the one or more tertiary or subsequent            processing unit feeds into one or more tertiary or            subsequent processing unit output streams, a portion of each            output stream comprising at least one circular product,            wherein the weight or the fraction of each circular product            attributable to the pyrolysis oil or plastic waste is            determined by mass balance.

Aspect 3. A process for producing chemicals or polymers from plasticwaste according to Aspect 2, wherein repeating steps (e) and (f) iscarried out 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, or 10 times.

Aspect 4. A process for producing chemicals or polymers from plasticwaste according to any of the preceding Aspects, wherein the processfurther comprises:

-   -   (h) certifying any one or more of the products in the primary        processing unit output streams, secondary processing unit output        streams, or tertiary or subsequent processing unit output        streams, as Circular in accordance with International        Sustainability and Carbon Certification (ISCC) standards, based        upon the weight or fraction of the circular product attributable        to the pyrolysis oil or plastic waste determined by mass balance        and the free attribution method.

Aspect 5. A process for producing chemicals or polymers from plasticwaste according to any of the preceding Aspects, wherein the pyrolysisoil is introduced into the primary processing unit by:

-   -   (a) combining the pyrolysis oil and the petroleum-based, fossil        fuel-based, or bio-based feed prior to introducing the pyrolysis        oil and the petroleum-based, fossil fuel-based, or bio-based        feed into the primary processing unit;    -   (b) introducing the pyrolysis oil directly into the primary        processing unit; or    -   (c) a combination of (a) and (b).

Aspect 6. A process for producing chemicals or polymers from plasticwaste according to any of the preceding Aspects, wherein the pyrolysisoil is present in the primary processing unit feed in a concentration offrom about 0.1 wt % to about 25 wt %; alternatively, from about 0.2 wt %to about 22 wt %; alternatively, from about 0.5 wt % to about 20 wt %;alternatively, from about 1 wt % to about 18 wt %; alternatively, fromabout 2 wt % to about 17 wt %; alternatively, from about 5 wt % to about15 wt %; or alternatively, from about 8 wt % to about 12 wt %.

Aspect 7. A process for producing chemicals or polymers from plasticwaste according to any of the preceding Aspects, wherein the pyrolysisoil is present in the primary processing unit feed in a concentration ofabout 0.1 wt %, about 0.2 wt %, about 0.5 wt %, about 1 wt %, about 2 wt%, about 3 wt %, about 4 wt %, about 5 wt %, about 6 wt %, about 7 wt %,about 8 wt %, about 9 wt %, about 10 wt %, about 11 wt %, about 12 wt %,about 13 wt %, about 14 wt %, about 15 wt %, about 16 wt %, about 17 wt%, about 18 wt %, about 10 wt %, about 20 wt %, about 21 wt %, about 22wt %, about 23 wt %, about 24 wt %, about 25 wt %, or any range orcombination of ranges therebetween.

Aspect 8. A process for producing chemicals or polymers from plasticwaste, the process comprising:

-   -   (a) providing a pyrolysis oil from plastic waste;    -   (b) introducing the pyrolysis oil at a known feed rate into one        or more primary processing units thereby providing one or more        primary processing unit feeds comprising the pyrolysis oil; and    -   (c) converting the one or more primary processing unit feeds        into one or more primary processing unit output streams, each        output stream comprising at least one circular product, wherein        the weight or the fraction of each circular product attributable        to the pyrolysis oil or plastic waste is determined by mass        balance.

Aspect 9. A process for producing chemicals or polymers from plasticwaste according to Aspect 8, wherein a petroleum-based or a fossilfuel-based feed is not co-fed with the pyrolysis oil into the primaryprocessing unit.

Aspect 10. A process for producing chemicals or polymers from plasticwaste according to Aspect 8, wherein the pyrolysis oil is present in theprimary processing unit feed in a concentration of 100 wt %.

Aspect 11. A process for producing chemicals or polymers from plasticwaste according to Aspect 10, wherein the pyrolysis oil is characterizedby a Distillation End Point, ° F. (D86 or D2887) of from about 350° F.to about 450° F.

Aspect 12. A process for producing chemicals or polymers from plasticwaste according to Aspect 8, wherein the process further comprises:

-   -   (i) providing a petroleum-based, fossil fuel-based, or bio-based        feed;    -   (ii) introducing the petroleum-based, fossil fuel-based, or        bio-based feed at a known feed rate into the one or more primary        processing units, thereby providing one or more primary        processing unit feeds, each comprising the pyrolysis oil and the        petroleum-based, fossil fuel-based, or bio-based feeds in known        concentrations; and    -   (iii) converting the one or more primary processing unit feeds        into one or more primary processing unit output streams, each        output stream comprising at least one circular product, wherein        the weight or the fraction of each circular product attributable        to the pyrolysis oil or plastic waste is determined by mass        balance.

Aspect 13. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 8-12, wherein the process furthercomprises:

-   -   (d) transferring at least a portion of one, or at least a        portion of more than one, of the primary processing unit output        streams, each at a known feed rate, into one or more secondary        or subsequent processing units, thereby providing one or more        secondary or subsequent processing unit feeds, each comprising a        circular product in a known concentration; and    -   (e) converting the one or more secondary or subsequent        processing unit feeds into one or more secondary or subsequent        processing unit output streams, a portion of each output stream        comprising at least one circular product, wherein the weight or        the fraction of each circular product attributable to the        pyrolysis oil or plastic waste is determined by mass balance;        and    -   (f) repeating steps (d) and (e) any number of times (zero or        more) by:        -   [1] transferring at least a portion of one, or at least a            portion of more than one, of the secondary or subsequent            processing unit output streams, each at a known feed rate,            into one or more tertiary or subsequent processing units,            thereby providing one or more tertiary or subsequent            processing unit feeds, each comprising a circular product in            a known concentration; and        -   [2] converting the one or more tertiary or subsequent            processing unit feeds into one or more tertiary or            subsequent processing unit output streams, a portion of each            output stream comprising at least one circular product,            wherein the weight or the fraction of each circular product            attributable to the pyrolysis oil or plastic waste is            determined by mass balance.

Aspect 14. A process for producing chemicals or polymers from plasticwaste according to Aspect 13, wherein repeating steps (d) and (e) iscarried out 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, or 10 times.

Aspect 15. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 8-14, wherein the process furthercomprises:

-   -   (f) certifying any one or more of the products in the primary        processing unit output streams, secondary processing unit output        streams, or tertiary or subsequent processing unit output        streams, as Circular in accordance with International        Sustainability and Carbon Certification (ISCC) standards, based        upon the weight or fraction of the circular product attributable        to the pyrolysis oil or plastic waste determined by mass balance        and the free attribution method.

Aspect 16. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 8-15, wherein the pyrolysis oil isintroduced into the primary processing unit by:

-   -   (a) combining the pyrolysis oil and the petroleum-based, fossil        fuel-based, or bio-based feed prior to introducing the pyrolysis        oil and the petroleum-based, fossil fuel-based, or bio-based        feed into the primary processing unit;    -   (b) introducing the pyrolysis oil directly into the primary        processing unit; or    -   (c) a combination of (a) and (b).

Aspect 17. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 8-16, wherein the pyrolysis oil ispresent in the primary processing unit feed in a concentration of fromabout 25 wt % to about 100 wt %, alternatively, from about 30 wt % toabout 98 wt %; alternatively, from about 35 wt % to about 95 wt %;alternatively, from about 40 wt % to about 90 wt %; alternatively, fromabout 45 wt % to about 85 wt %; or alternatively, from about 50 wt % toabout 80 wt %.

Aspect 18. A process for producing chemicals or polymers from plasticwaste according to any of the preceding Aspects 8-16, wherein thepyrolysis oil is present in the primary processing unit feed in aconcentration of about 25 wt %, about 30 wt %, about 35 wt %, about 40wt %, about 45 wt %, about 50 wt %, about 55 wt %, about 60 wt %, about65 wt %, about 70 wt %, about 75 wt %, about 80 wt %, about 85 wt %,about 90 wt %, about 95 wt %, about 97 wt %, about 99 wt %, about 100 wt%, or any range or combination of ranges therebetween.

Aspect 19. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-18, wherein the process employs twoor more primary processing units, and the pyrolysis oil is introducedinto only one of the primary processing units.

Aspect 20. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-18, wherein the process employs twoor more primary processing units, and the pyrolysis oil is introduced,independently, into any two or more primary processing units.

Aspect 21. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-20, wherein the process employs twoor more secondary processing units, and any primary processing unitoutput streams are transferred into only one of the secondary processingunits.

Aspect 22. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-20, wherein the process employs twoor more secondary processing units, and any primary processing unitoutput streams are transferred, independently, into any two or moresecondary processing units.

Aspect 23. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-22, wherein the process employs twoor more tertiary processing units, and any secondary processing unitoutput streams are transferred into only one of the tertiary processingunits.

Aspect 24. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-22, wherein the process employs twoor more tertiary processing units, and any secondary processing unitoutput streams are transferred, independently, into any two or more ofthe tertiary processing units.

Aspect 25. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-24, wherein the process employs twoor more subsequent processing units, and any tertiary processing unitoutput streams are transferred into only one of the subsequentprocessing units.

Aspect 26. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-24, wherein the process employs twoor more subsequent processing units, and any tertiary processing unitoutput streams are transferred, independently, into any two or more ofthe subsequent processing units.

Aspect 27. A process for producing chemicals or polymers from plasticwaste according to any of the preceding Aspects, wherein the pyrolysisoil comprises light (C₂-C₅) hydrocarbons and heavy (C₆₊) hydrocarbons,and the pyrolysis oil is not separated into light (C₂-C₅) hydrocarbonsand heavy (C₆₊) hydrocarbons prior to introducing the pyrolysis oil intothe primary processing unit.

Aspect 28. A process for producing chemicals or polymers from plasticwaste according to any of the preceding Aspects, further comprising thestep of introducing the pyrolysis oil or a fraction thereof into one ormore of the secondary processing units or one or more of the secondaryinput streams, thereby providing one or more secondary processing unitfeeds comprising a circular product in a known concentration and thepyrolysis oil or a fraction thereof in a known concentration.

Aspect 29. A process for producing chemicals or polymers from plasticwaste according to any of the preceding Aspects, further comprising thestep of introducing the pyrolysis oil or a fraction thereof into one ormore of the tertiary or subsequent processing units or one or more ofthe tertiary or subsequent input streams, thereby providing one or moretertiary or subsequent processing unit feeds comprising a circularproduct in a known concentration and the pyrolysis oil or a fractionthereof in a known concentration.

Aspect 30. A process for producing chemicals or polymers from plasticwaste according to any of the preceding Aspects, wherein the pyrolysisoil is derived from pyrolysis of polyolefins, polyethylene,polypropylene, polystyrene, polyethylene terephthalate (PET), polyvinylchloride (PVC), polyamide, polycarbonate, polyurethane, polyester,copolymers thereof, filled polymers thereof, composites thereof, naturalor synthetic rubber, tires, or any combination thereof.

Aspect 31. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-30, wherein at least a portion ofone or more of the primary, the secondary, the tertiary, or subsequentprocessing unit output streams is not used as a fuel.

Aspect 32. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-30, wherein at least a portion ofone or more of the primary, the secondary, the tertiary, or subsequentprocessing unit output streams is used as a fuel.

Aspect 33. A process for producing chemicals or polymers from plasticwaste according to any of the preceding Aspects, wherein at least aportion of any of the one or more primary processing unit outputstreams, the one or more secondary processing unit output streams, theone or more tertiary processing unit output streams, or the one or moresubsequent processing unit output streams is recycled to any upstreamprocessing unit.

Aspect 34. A process for producing chemicals or polymers from plasticwaste according to any of the Aspects 1-33, wherein the pyrolysis oil ischaracterized by any one or any combination of more than one of thefollowing properties:

-   -   (a) a Reid Vapor Pressure, psia @ 100° F. (ASTM-D-5191) of ≤15        psia @ 100° F., ≤12 psia @ 100° F., ≤10 psia @ 100° F., ≤5 psia        @ 100° F., or any range between two of these recited values;    -   (b) an Upper Pour, ° F. (ASTM D-97 or D5950-14) of ≤200° F.,        150° F., ≤125° F., or any range between two of these recited        values;    -   (c) a sulfur concentration, wt % (ASTM D-4294 or D2622) of ≤1.8        wt %, ≤1.5 wt %, ≤1.0 wt %, ≤0.7 wt %, or any range between two        of these recited values;    -   (d) a nitrogen concentration, ppm (ASTM D-4629 or D5762) of        ≤2500 ppm, ≤3500 ppm, ≤4500 ppm, or any range between two of        these recited values;    -   (e) a water by dist. concentration, wt % (ASTM D-95) of ≤0.1 wt        %, 0.5 wt %, 0.9 wt %, or any range between two of these recited        values;    -   (f) a sodium concentration, ppm (ASTM D-5185) of ≤2.0 ppm, ≤5.0        ppm, ≤7.5 ppm, ≤10.0 ppm, or any range between two of these        recited values;    -   (g) a nickel concentration, ppm (ASTM D-5185) of ≤1.5 ppm, ≤5.0        ppm, ≤8.0 ppm, ≤12.0 ppm, or any range between two of these        recited values;    -   (h) a vanadium concentration, ppm (ASTM D-5185) of ≤2.5 ppm,        ≤6.0 ppm, ≤10.5 ppm, ≤14.0 ppm, or any range between two of        these recited values;    -   (i) an iron concentration, ppm (ASTM D-5185) of ≤1.5 ppm, ≤4.0        ppm, ≤8.0 ppm, ≤10.5 ppm, or any range between two of these        recited values;    -   (j) a copper concentration, ppm (ASTM D-5185) of ≤0.4 ppm, ≤1.8        ppm, ≤3.0 ppm, ≤4.6 ppm, or any range between two of these        recited values;    -   (k) a BS&W, vol % (ASTM D-2709) of ≤0.1 vol %, ≤0.25 vol %,        ≤0.50 vol %, ≤1.0 vol % based on water volume without sediment,        or any range between two of these recited values;    -   (l) an Acid Number, mg/KOH/g (ASTM D664) of ≤0.01 mg/KOH/g,        ≤0.50 mg/KOH/g, ≤1.2 mg/KOH/g, ≤2.2 mg/KOH/g, or any range        between two of these recited values;    -   (m) a chloride concentration, ppm (UOP 588) of ≤10 ppm, ≤25 ppm,        ≤50 ppm, ≤75 ppm, ≤100 ppm, or any range between two of these        recited values;    -   (n) a Distillation End Point, ° F. (D86 or D2887) of ≤350° F.,        ≤400° F., ≤500° F., ≤600° F., ≤700° F., ≤850° F., ≤1000° F.,        ≤1250° F., ≤1450° F., or any range between two of these recited        values;    -   (o) a Filterable Solids Content, wt % (PR 1826) of ≤0.02 wt %,        ≤0.04 wt %, ≤0.06 wt %, ≤1.0 wt %, ≤1.2 wt %, or any range        between two of these recited values;    -   (p) a Heptane Insolubles Content, wt % (ASTM D-3279) of ≤0.02 wt        %, ≤0.04 wt %, ≤0.06 wt %, ≤1.0 wt %, ≤1.2 wt %, or any range        between two of these recited values;    -   (q) a fluoride concentration, ppm (ASTM D-7359) of ≤1.0 ppm,        ≤1.5 ppm, ≤2 ppm, ≤5 ppm, ≤10 ppm, or ≤15 ppm;    -   (r) a silicon concentration, ppm (ASTM D-5185) of from ≤1.0 ppm,        ≤1.5 ppm, ≤2 ppm, ≤5 ppm, ≤10 ppm, or ≤15 ppm; or    -   (s) a phosphorus concentration, ppm (ASTM D-5185) of ≤1.0 ppm,        ≤1.5 ppm, ≤2 ppm, ≤5 ppm, ≤10 ppm, or ≤15 ppm.

Aspect 35. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-33, wherein the pyrolysis oil ischaracterized by any one or any combination of more than one of thefollowing properties:

-   -   (a) a Reid Vapor Pressure, psia @ 100° F. (ASTM-D-5191) of from        5 psia @ 100° F. to 15 psia @ 100° F.;    -   (b) an Upper Pour, ° F. (ASTM D-97 or D5950-14) of from 75° F.        to 200° F.;    -   (c) a sulfur concentration, wt % (ASTM D-4294 or D2622) of from        0.2 wt % to 1.5 wt %;    -   (d) a nitrogen concentration, ppm (ASTM D-4629 or D5762) of from        2250 ppm to 4450 ppm;    -   (e) a water by dist. concentration, wt % (ASTM D-95) of from 0.1        wt % to 0.9 wt %;    -   (f) a sodium concentration, ppm (ASTM D-5185) of from 2.5 ppm to        8.5 ppm;    -   (g) a nickel concentration, ppm (ASTM D-5185) of from 1.5 ppm to        10.5 ppm;    -   (h) a vanadium concentration, ppm (ASTM D-5185) of from 2.0 ppm        to 12.5 ppm;    -   (i) an iron concentration, ppm (ASTM D-5185) of from 2.0 ppm to        10.5 ppm;    -   (j) a copper concentration, ppm (ASTM D-5185) of from 0.5 ppm to        4.5 ppm;    -   (k) a BS&W, vol % (ASTM D-2709) of from 0.1 vol % to 1.0 vol %        based on water volume without sediment;    -   (l) an Acid Number, mg/KOH/g (ASTM D664) of from 0.01 mg/KOH/g        to 2.0 mg/KOH/g;    -   (m) a chloride concentration, ppm (UOP 588) of from 22.5 ppm to        100 ppm or from 10 ppm to 100 ppm;    -   (n) a Distillation End Point, ° F. (D86 or D2887) of from        350° F. to 1600° F.;    -   (o) a Filterable Solids Content, wt % (PR 1826) of from 0.04 wt        % to 0.15 wt %;    -   (p) a Heptane Insolubles Content, wt % (ASTM D-3279) of from        0.03 wt % to 0.13 wt %;    -   (q) a fluoride concentration, ppm (ASTM D-7359) of from the        detectable limit to 25 ppm or from 1.0 ppm to 25 ppm;    -   (r) a silicon concentration, ppm (ASTM D-5185) of from the        detectable limit to 25 ppm or from 1.0 ppm to 25 ppm; or    -   (s) a phosphorus concentration, ppm (ASTM D-5185) of from the        detectable limit to 25 ppm or from 1.0 ppm to 25 ppm.

Aspect 36. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-33, wherein the pyrolysis oil ischaracterized by any one or any combination of more than one of thefollowing properties:

-   -   (a) a Reid Vapor Pressure, psia @ 100° F. (ASTM-D-5191) of from        5 psia @ 100° F. to 12 psia @ 100° F.;    -   (b) an Upper Pour, ° F. (ASTM D-97 or D5950-14) of from 8° F. to        40° F.;    -   (c) a sulfur concentration, wt % (ASTM D-4294 or D2622) of from        5 ppm (parts per million by weight) to 50 ppm;    -   (d) a nitrogen concentration, ppm (ASTM D-4629 or D5762) of from        250 ppm to 1400 ppm;    -   (e) a water by dist. concentration, wt % (ASTM D-95) of from 0.1        wt % to 0.9 wt %;    -   (f) a sodium concentration, ppm (ASTM D-5185) of from 0.10 ppm        to 5.0 ppm;    -   (g) a nickel concentration, ppm (ASTM D-5185) of from 0.15 ppm        to 3.0 ppm;    -   (h) a vanadium concentration, ppm (ASTM D-5185) of from 0.1 ppm        to 3 ppm;    -   (i) an iron concentration, ppm (ASTM D-5185) of from 0.3 ppm to        10 ppm;    -   (j) a copper concentration, ppm (ASTM D-5185) of from 0.1 ppm to        1 ppm;    -   (k) a chloride concentration, ppm (UOP 588) of from 20 ppm to 70        ppm;    -   (l) a Distillation End Point, ° F. (D86 or D2887) of from        350° F. to 1000° F.;    -   (m) a Filterable Solids Content, wt % (PR 1826) of from 0.04 wt        % to 0.15 wt %;    -   (n) a Heptane Insolubles Content, wt % (ASTM D-3279) of from        0.03 wt % to 0.13 wt %;    -   (o) a fluoride concentration, ppm (ASTM D-7359) of from the        detectable limit to 25 ppm or from 0.5 ppm to 10 ppm;    -   (p) a silicon concentration, ppm (ASTM D-5185) of from the        detectable limit to 25 ppm or from 0.5 ppm to 10 ppm; or    -   (q) a phosphorus concentration, ppm (ASTM D-5185) of from the        detectable limit to 25 ppm or from 0.5 ppm to 10 ppm.

Aspect 37. A process for producing chemicals or polymers from plasticwaste according any of Aspects 34-36, wherein the pyrolysis oil ischaracterized by any ten (10) of the recited properties, any twelve (12)of the recited properties, any fourteen (14) of the recited properties,or all of the recited properties.

Aspect 38. A process for producing chemicals or polymers from plasticwaste according to any of the preceding Aspects, wherein the pyrolysisoil is characterized or further characterized by any one, any two, anythree, or all four of the following properties:

-   -   (a) a Pour Point (ASTM D97 or ISO:3016) of less than or equal to        about −40° C.;    -   (b) a Kinematic Viscosity (ASTM D445 or ISO:3104) of any one or        more of (i) about 3.0 mm²/s or from about 2 cSt to about 20 cSt        (100° C.), (ii) 11.0 mm²/s (40° C.), or (iii) about 76.0 mm²/s        (0° C.);    -   (c) a Flash point (ISO:2719) of greater than or equal to about        140° C.; or    -   (d) a dielectric breakdown voltage (ASTM D1816) of from about 10        kV/mm to about 60 kV/mm, from about 15 kV/mm to about 40 kV/mm,        or from about 20 kV/mm to about 30 kV/mm.

Aspect 39. A process for producing chemicals or polymers from plasticwaste according to any of the preceding Aspects, wherein the pyrolysisoil is pretreated for removal of chloride-containing contaminants and/orfluoride-containing contaminants.

Aspect 40. A process for producing chemicals or polymers from plasticwaste according to any of the preceding Aspects, wherein the pyrolysisoil is pretreated for removal of chloride by: (a) thermaldehydrochlorination at 300° C. to 350° C., and removal of the chlorideas HCl vapor; or (b) contacting organic chloride contaminants with atleast one metal oxide bed.

Aspect 41. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-40, wherein a natural or a syntheticantioxidant is combined with the pyrolysis oil.

Aspect 42. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-40, wherein an antioxidant iscombined with the pyrolysis oil, and the antioxidant is: (a) compliantwith at least one of the Gulf Cooperation Council StandardizationOrganization GSO 2231/2012, GSO 839/1997, or GSO 1863/2013 standard; or(b) Halal certified, Kosher certified, or HACCP certified.

Aspect 43. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-40, wherein a natural antioxidantcomprising or selected from a plant-based antioxidant, an animal-basedantioxidant, or a bioactive peptide is combined with the pyrolysis oil.

Aspect 44. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-40, wherein a natural antioxidant iscombined with the pyrolysis oil, and the natural antioxidant comprisesor is selected from olive plant materials, olive oil, olive leafextracts, a sesame-based antioxidant, sesamol, sesamin, sesamolin,hydroxytyrosol, tyrosol, caffeic acid, ferulic acid, alkannin, shikonin,carnosic acid, carnosic acid-EDTA, α-tocopherol (TCP), propyl gallate(PG), 1-ascorbic acid 6-palmitate (AP), gallic acid, quercetin,myricetin, catechin, genistein, isoflavones, flavanols, cinnamic acid,hydroxtycinnamic acid, oleuropein, oryzanols, tocols, β-carotene,carotenoids, lycopene, marigold, paprika, bixin, or any combinationthereof.

Aspect 45. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-40, wherein a natural antioxidant iscombined with the pyrolysis oil, and the natural antioxidant is derivedfrom olive plant material, olive oil mill waste, ajowan (Carumcopticum), tinctoria roots, rosemary extract, Guiera senegalensis,Combretum hartmannianum, Majorana syriaca, sesame, Artmisia scoparia,Cinnamomum cassia, rosemary (Rosemarinus officinalis), clove (Syzygiumaromaticum), cinnamon (Cinnamomum zeylanicum), broccoli, citrus,chemlali olive, defatted rice brand, bene hull oil (unsaponifiablematter), oregano, green tea, Cortex fraxini, Polygonum cuspidatum,marigold, Capsicum annuum, and garlic.

Aspect 46. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-40, wherein a natural antioxidant iscombined with the pyrolysis oil, and the natural antioxidant is presentat a concentration of ≤2500 mMol antioxidant/kg of pyrolysis oil, ≤1750mMol/kg of pyrolysis oil, or ≤1000 mMol/kg of pyrolysis oil.

Aspect 47. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-40, wherein a synthetic antioxidantis combined with the pyrolysis oil, and the synthetic antioxidantcomprises or is selected from a hindered phenol, a metal salt of ahindered phenol, an oil-soluble polymetal organic compound, a hinderedphenylenediamine compound, or a combination thereof.

Aspect 48. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-40, wherein a synthetic antioxidantis combined with the pyrolysis oil, and the synthetic antioxidantcomprises or is selected from 2-t-butyl-4-heptyl phenol,2-t-butyl-4-octyl phenol, 2-t-butyl-4-dodecyl phenol,2,6-di-t-butyl-4-methylphenol, 2,6-di-t-butyl-4-heptyl phenol,2,6-di-t-butyl-4-dodecyl phenol, 2-methyl-6-t-butyl-4-heptyl phenol,2-methyl-6-t-butyl-4-dodecyl phenol, 2,6-di-alkyl-phenolic proprionicester derivatives, 2,2′-bis(4-heptyl-6-t-butyl-phenol),2,2′-bis(4-octyl-6-t-butyl-phenol),2,2′-bis(4-dodecyl-6-t-butyl-phenol), 4,4′-bis(2,6-di-t-butyl phenol),4,4′-methylene-bis(2,6-di-t-butyl phenol), 2-t-butyl-4-methoxyphenol,3-t-butyl-4-methoxyphenol, propyl gallate,2-(1,1-dimethylethyl)-1,4-benzenediol, or combinations thereof.

Aspect 49. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-40, wherein a synthetic antioxidantis combined with the pyrolysis oil, and the synthetic antioxidantcomprises or is selected from diphenylamines, phenyl naphthylamines,phenothiazines, imidodibenzyls, diphenyl phenylene diamines, aromaticamines, or combinations thereof.

Aspect 50. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-40, wherein a synthetic antioxidantis combined with the pyrolysis oil, and the synthetic antioxidantcomprises or is selected from p,p′-dioctyldiphenylamine,t-octylphenyl-α-naphthylamine, phenyl-α-naphthylamine,p-octylphenyl-α-naphthylamine, or a combination thereof.

Aspect 51. A process for producing chemicals or polymers from plasticwaste according to any one of the preceding Aspects, wherein thepetroleum-based, fossil fuel-based, or bio-based feed, when present,comprises or is selected from petroleum or natural gas liquids,renewable feedstocks, or combinations thereof.

Aspect 52. A process for producing chemicals or polymers from plasticwaste according to any of the preceding Aspects, wherein any one or moreof the primary processing unit feed, second processing unit feed,tertiary processing unit feed, or subsequent processing unit feed is acircular or a non-circular feed, comprising or selected from pyrolysisoil, a heavy hydrocarbon fraction of petroleum, aromatic hydrocarbons,aliphatic hydrocarbons, hydrogen, naphtha, liquefied petroleum gas(LPG), light (C₂-C₅) hydrocarbons, a refinery-transfer stream, naturalgas liquids, ethylene, propylene, ethane (C₂), propane (C₃), butane(C₄), hexane (C₆), octane (C₈), decane (C₁₀), dodecane (C₁₂),propylene-propane mix, ethylene-ethane mix, Normal Alpha Olefins(C₄-C₃₀₊), 1-butene, 1-pentene, 1-hexene, 1-heptene, 1-octene, 1-nonene,1-decene, 1-dodecene, 1-tetradecene, 1-hexadecene, 1-octadecene,butadiene, benzene, toluene, xylenes, ethylbenzene, styrene,cyclohexane, methylcyclohexane, adipic acid, adiponitrile, hexamethylenediamine (HMDA), caprolactam, 1-dodecene, tetradecene, hexadecane,octadecene, a C₂₀-C₂₄ normal alpha olefin or polyene, a C₂₄-C₂₈ normalalpha olefin or polyene, or a C₃₀₊ normal alpha olefin or polyene.

Aspect 53. A process for producing chemicals or polymers from plasticwaste according to any one of the preceding Aspects, wherein:

-   -   (a) when present, the petroleum-based, fossil fuel-based, or        bio-based feed comprises natural gas liquids (NGL);    -   (b) the primary processing unit is a cracker; and    -   (c) the one or more primary processing unit output streams        comprise circular ethylene, propylene, benzene, toluene,        xylenes, or other aromatics.

Aspect 54. A process for producing chemicals or polymers from plasticwaste according to Aspect 53, wherein:

-   -   (d) the one or more secondary processing unit output streams,        the one or more tertiary processing unit output streams, or the        one or more subsequent processing unit output streams comprise a        circular chemical selected independently from xylenes, p-xylene,        hydrogen, styrene, ethylbenzene, cyclohexane, nylon, butadiene,        rubber, polybutadiene rubber (PBR), styrene-butadiene rubber        (SBR), nitrile-butadiene rubber (NBR), polychloroprene rubber        (neoprene), Normal Alpha Olefins (C₄-C₃₀₊), 1-butene, 1-pentene,        1-hexene, 1-heptene, 1-octene, 1-nonene, 1-decene, 1-dodecene,        1-tetradecene, 1-hexadecene, 1-octadecene, polyethylene        homopolymers and copolymers, polypropylene homopolymers and        copolymers, a polyalphaolefin comprising a normal alpha olefin        (C₄-C₃₀₊) monomeric unit, a C₂₀-C₂₄ normal alpha olefin or        polyene, a C₂₄-C₂₈ normal alpha olefin or polyene, a C₃₀₊ normal        alpha olefin or polyene, mixed decenes, mercaptans, organic        sulfides, methyl ethyl sulfide (MES), methyl mercaptan (MeSH),        dimethyl sulfide (DMS), dimethyl disulfide (DMDS), or        betamercaptoethanol, the weight or fraction of which is        attributable to the pyrolysis oil or plastic waste is determined        by mass balance.

Aspect 55. A process for producing chemicals or polymers from plasticwaste according to Aspect 54, further comprising the step of using thecircular chemical in the manufacture of synthetic oil, additives foroil, detergents, L-cysteine, mining chemicals, sulfonated asphalt,transformer oils, dielectric fluids, and greases.

Aspect 56. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein:

-   -   (a) when present, the petroleum-based, fossil fuel-based, or        bio-based feed comprises natural gas liquids (NGL);    -   (b) the primary processing unit is a cracker; and    -   (c) the one or more primary processing unit output streams, the        one or more secondary processing unit output streams, the one or        more tertiary processing unit output streams, or the one or more        subsequent processing unit output streams comprise or are        selected from circular products as illustrated in FIG. 1 .

Aspect 57. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein:

-   -   (a) when present, the petroleum-based, fossil fuel-based, or        bio-based feed comprises natural gas liquids (NGL);    -   (b) the primary processing unit is a cracker; and    -   (c) the one or more primary processing unit output streams        comprise circular ethylene or propylene.

Aspect 58. A process for producing chemicals or polymers from plasticwaste according to Aspect 57, wherein:

-   -   (d) the one or more secondary processing unit output streams,        the one or more tertiary processing unit output streams, or the        one or more subsequent processing unit output streams comprise a        circular chemical selected independently from polyethylene        homopolymers and copolymers, polypropylene homopolymers and        copolymers, butadiene, butadiene feedstock (BDFS), Normal Alpha        Olefins (C₄-C₃₀₊), 1-butene, 1-pentene, 1-hexene, 1-heptene,        1-octene, 1-nonene, 1-decene, 1-dodecene, 1-tetradecene,        1-hexadecene, 1-octadecene, a polyalphaolefin comprising a        normal alpha olefin (C₄-C₃₀₊) monomeric unit, the weight or        fraction of which is attributable to the pyrolysis oil or        plastic waste is determined by mass balance.

Aspect 59. A process for producing chemicals or polymers from plasticwaste according to Aspect 58, further comprising the step of using thecircular chemical in the manufacture of a commercial product.

Aspect 60. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein:

-   -   (a) when present, the petroleum-based, fossil fuel-based, or        bio-based feed comprises natural gas liquids (NGL);    -   (b) the primary processing unit is a cracker; and    -   (c) the one or more primary processing unit output streams, the        one or more secondary processing unit output streams, the one or        more tertiary processing unit output streams, or the one or more        subsequent processing unit output streams comprise or are        selected from circular products as illustrated in FIG. 2 .

Aspect 61. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein any one or more of theprimary, secondary, tertiary, or subsequent processing unit outputstreams comprises circular Normal Alpha Olefins (C₄-C₃₀₊), the weight orfraction of which is attributable to the pyrolysis oil or plastic wasteis determined by mass balance.

Aspect 62. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein any one or more of theprimary, secondary, tertiary, or subsequent processing unit outputstreams comprises circular 1-butene, 1-pentene, 1-hexene, 1-heptene,1-octene, 1-nonene, 1-decene, 1-dodecene, 1-tetradecene, 1-hexadecene,1-octadecene and combinations thereof, the weight or fraction of whichis attributable to the pyrolysis oil or plastic waste is determined bymass balance.

Aspect 63. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein any one or more of theprimary, secondary, tertiary, or subsequent processing unit outputstreams comprises circular polyalphaolefins, the weight or fraction ofwhich is attributable to the pyrolysis oil or plastic waste isdetermined by mass balance.

Aspect 64. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein any one or more of theprimary, secondary, tertiary, or subsequent processing unit outputstreams comprises circular hydrogen, drilling fluids, waxes, aromaticcompounds, butadiene, sulfolene, sulfolane, rubber, sulfur compounds(e.g, methyl ethyl sulfide (MES), methyl mercaptan (MeSH), dimethylsulfide, dimethyl disulfide), sulfonated asphalt (SAS), the weight orfraction of which is attributable to the pyrolysis oil or plastic wasteis determined by mass balance.

Aspect 65. A process for producing chemicals or polymers from plasticwaste according to any of the preceding Aspects, wherein at least onecircular product comprises or is selected from normal alpha olefins(C₄-C₃₀₊), ethane, propane, butane, hexane, octane, decane, dodecane,ethylene, propylene, 1-butene, 2-butene, 1-hexene, 1-pentene, 1-hexene,1-heptene, 1-octene, 1-nonene, 1-decene, 1-dodecene, 1-tetradecene,1-hexadecene, 1-octadecene, acetylene, hydrogen, isoprene, debutanizedaromatic concentrate, amylene, benzene toluene xylenes stream,ethylene-rich gas, propane propylene mix, dicyclopentadiene, propylenein polypropylene mix, polyethylene homopolymers, polyethylenecopolymers, ethylene-ionomer copolymers, ethylene-propylene elastomers,chlorosulfonated polyethylene, polypropylene homopolymers, polypropylenecopolymers, polyalphaolefin, poly(1-butene) polymers and copolymers,poly(1-pentene) polymers and copolymers, poly(1-hexene) polymers andcopolymers, poly(1-heptene) polymers and copolymers, poly(1-octene)polymers and copolymers, poly(1-nonene) polymers and copolymers,poly(1-decene) polymers and copolymers, poly(1-dodecene) polymers andcopolymers, poly(1-tetradecene) polymers and copolymers,poly(1-hexadecene) polymers and copolymers, poly(1-octadecene) polymersand copolymers, vinyl chloride, ethylbenzene, acetaldehyde, vinylacetate, poly(vinyl acetate) homopolymers, poly(vinyl acetate)copolymers, poly(vinyl chloride) homopolymers, poly(vinyl chloride)copolymers, vinyl chloride-vinyl acetate copolymers,1,1,2-trichloroethane, vinylidene chloride, polyvinylidene chloride,ethylene oxide, ethylene glycol, poly(ethylene terephthalate),polyethylene glycol-polyalkylene glycol copolymers, ethoxylated phenols,ethoxylated amines, diethylene glycol, polyesters, unsaturatedpolyester, polyester polyols, adipic acid, polyurethane resins,hydroxyethyl starch, hydroxyethyl gums, hydroxyethyl cellulose,ethylbenzene, styrene, divinylbenzene, polystyrene, styrene-butadienecopolymers, acrylonitrile-butadiene-styrene terpolymers,styrene-acrylonitrile copolymers, polyester resins,styrene-divinylbenzene resin, styrene-alkyd copolymers, styrene-maleicanhydride copolymers, acetaldehyde, pentaerythritol, alkyd resins,acetic acid, ethylene-vinyl acetate copolymers, vinyl chloride-vinylacetate copolymers, poly(vinyl alcohol), poly(vinyl butyral), poly(vinylformal), acrylonitrile, propylene oxide, cumene, n-butyraldehyde,isobutyraldehyde, allyl chloride, acrylic acid esters, methyl alcohol,ethyl alcohol, isopropyl alcohol, acrylonitrile, polyacrylonitrile,modacrylic copolymers, acrylonitrile butadiene styrene (ABS), styreneacrylonitrile resin (SAN), nitrile elastomers, acrylonitrile copolymers,hexamethylene diamine, nylon 6,6, acrylamide, polyacrylamidehomopolymers, polyacrylamide copolymers, propylene oxide, propyleneglycol, poly(ethylene glycol) homopolymers, poly(ethylene glycol)copolymers, poly(propylene glycol) homopolymers, poly(propylene glycol)copolymers, n-butyraldehyde, poly(vinyl butyral), n-butyric acid,n-butyric anhydride, cellulose acetate butyrate, isobutyraldehyde,neopentyl glycol, polyurethanes, allyl chloride, epichlorohydrin epoxyresins, acrylic acid esters, acrylic homopolymers and copolymers,isopropyl alcohol, acetone, bisphenol A, epoxy resins, polycarbonates,polysulfones, methyl acrylate, methyl methacrylate, methacrylic acid,poly(methyl methacrylate) homopolymers, poly(methyl methacrylate)copolymers, poly(methacrylate) homopolymers, poly(methacrylate)copolymers, mixed butenes and butane, maleic anhydride, butylene oxide,1-butene, mixed butenes, isobutene, butane, butadiene, styrene,polybutadiene elastomer, polybutadiene resins, hexamethylene diamine,nylons, chloroprene, neoprene elastomer, 1,5-cyclooctadiene,ethylene-propylene terpolymer elastomer, 1,5,9-cyclododecatriene,dodecanoic acid, nylon 6,12, qiana, lauryl lactam, nylon 12,OH-terminated polymers and copolymers, polyurethane elastomers,1,4-hexadiene, maleic anhydride, alkyd resins, styrene-maleic anhydridecopolymer, butylene oxide, poly(butylene oxide) polyurethanes, mixedbutenes, isobutene, poly(butenes), poly(isobutene), butyl rubber, aceticacid, drilling fluids, waxes, aromatic compounds, butadiene, sulfolene,sulfolane, rubbers, methyl ethyl sulfide (MES), methyl mercaptan (MeSH),dimethyl sulfide, dimethyl disulfide, sulfonated asphalt (SAS), benzene,ethylbenzene, benzenesulfonic acid, chlorobenzene, cyclohexane,nitrobenzene, dinitrotoluene, maleic anhydride, toluene,dinitrotoluenes, toluene diisocyanate, urethanes, styrene,benzenesulfonic acid chlorobenzene, phenol, phenolic resins,2,6-xylenol, poly(phenylene oxide), phenylene oxide, o-xylene, m-xylene,or p-xylene, acetone, cyclohexane, adipic acid, nylon 66, polyurethanes,caprolactam, nylon 6, nitrobenzene, aniline, polymeric isocyanates,urethanes, xylenes, o-xylene, phthalic anhydride, alkyd resins,urethanes, polyurethanes, m-xylene, isophthalic acid, alkyd resins,polyamide resins, diphenyl isophthalate, polybenzimidazoles, p-xylene,terephthalic acid, poly(ethylene terephthalate), poly(butyleneterephthalate), methane, formaldehyde, carbon dioxide, carbon disulfide,hydrogen cyanide, methanol, chloroform, acetylene, formaldehyde, urea,urea-formaldehyde resins, melamine-formaldehyde resins,phenol-formaldehyde resins, polyformaldehyde polymers and copolymers(acetal resins), pentaerythritol, alky resins, aniline-formaldehyderesins, butanediol, poly(butylene terephthalate), phosgene, isocyanates,polyurethanes, regenerated cellulose, hydrogen cyanide, hexamethylenediamine, methanol, acetic acid, cellulose acetate, cellulose acetatebutyrate, vinyl acetate, poly(vinyl acetate) polymers and copolymers,chloroform, tetrafluoroethylene poly(tetrafluoroethylene), acetylene,acrylate esters, vinyl fluoride, poly(vinyl fluoride), 1,4-butandiol,vinylpyrrolidone, or poly(vinylpyrrolidone), the weight or fraction ofwhich is attributable to the pyrolysis oil or plastic waste isdetermined by mass balance.

Aspect 66. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein any one or more of theprimary, secondary, or tertiary,

-   -   processing unit output streams comprises circular ethylene; and        a subsequent processing unit output stream comprises circular        polyethylene homopolymers, polyethylene copolymers,        ethylene-ionomer copolymers, ethylene-propylene elastomers,        chlorosulfonated polyethylene, vinyl chloride, ethylene oxide,        ethylbenzene, acetaldehyde, vinyl acetate, or polyvinyl acetate,        the weight or fraction of which is attributable to the pyrolysis        oil or plastic waste is determined by mass balance.

Aspect 67. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein any one or more of theprimary, secondary, or tertiary, processing unit output streamscomprises circular vinyl chloride; and

-   -   a subsequent processing unit output stream comprises circular        polyvinyl chloride homopolymers, polyvinyl chloride copolymers,        vinyl chloride-vinyl acetate copolymers, 1,1,2-trichloroethane,        vinylidene chloride, or polyvinylidene chloride, the weight or        fraction of which is attributable to the pyrolysis oil or        plastic waste is determined by mass balance.

Aspect 68. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein any one or more of theprimary, secondary, or tertiary, processing unit output streamscomprises circular ethylene oxide; and

-   -   a subsequent processing unit output stream comprises circular        ethylene glycol, poly(ethylene terephthalate), polyethylene        glycol-polyalkylene glycol copolymers, ethoxylated phenols,        ethoxylated amines, diethylene glycol, polyester, unsaturated        polyester, polyester polyols, adipic acid, polyurethane resins,        hydroxyethyl starch, hydroxyethyl gums, or hydroxyethyl        cellulose, the weight or fraction of which is attributable to        the pyrolysis oil or plastic waste is determined by mass        balance.

Aspect 69. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein any one or more of theprimary, secondary, or tertiary, processing unit output streamscomprises circular ethylbenzene; and

-   -   a subsequent processing unit output stream comprises circular        styrene, polystyrene, styrene-butadiene copolymers,        acrylonitrile-butadiene-styrene terpolymers,        styrene-acrylonitrile copolymers, polyester resins,        styrene-divinylbenzene resin, styrene-alkyd copolymers, or        styrene-maleic anhydride copolymers, the weight or fraction of        which is attributable to the pyrolysis oil or plastic waste is        determined by mass balance.

Aspect 70. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein any one or more of theprimary, secondary, or tertiary, processing unit output streamscomprises circular acetaldehyde; and

-   -   a subsequent processing unit output stream comprises circular        pentaerythritol, alkyd resins, or acetic acid, the weight or        fraction of which is attributable to the pyrolysis oil or        plastic waste is determined by mass balance.

Aspect 71. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein any one or more of theprimary, secondary, or tertiary, processing unit output streamscomprises circular vinyl acetate; and

-   -   a subsequent processing unit output stream comprises circular        poly(vinyl acetate), poly(vinyl acetate) copolymers,        ethylene-vinyl acetate copolymers, vinyl chloride-vinyl acetate        copolymers, the weight or fraction of which is attributable to        the pyrolysis oil or plastic waste is determined by mass        balance.

Aspect 72. A process for producing chemicals or polymers from plasticwaste according to any one of the Aspects 1-52, wherein any one or moreof the primary, secondary, or tertiary, processing unit output streamscomprises circular poly(vinyl acetate); and

-   -   a subsequent processing unit output stream comprises circular        poly(vinyl alcohol), poly(vinyl butyral), poly(vinyl formal),        the weight or fraction of which is attributable to the pyrolysis        oil or plastic waste is determined by mass balance.

Aspect 73. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein any one or more of theprimary, secondary, or tertiary, processing unit output streamscomprises circular propylene; and

-   -   a subsequent processing unit output stream comprises circular        polypropylene homopolymers, polypropylene copolymers,        acrylonitrile, propylene oxide, cumene, n-butyraldehyde,        isobutyraldehyde, allyl chloride, acrylic acid esters, or        isopropyl alcohol, the weight or fraction of which is        attributable to the pyrolysis oil or plastic waste is determined        by mass balance.

Aspect 74. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein any one or more of theprimary, secondary, or tertiary, processing unit output streamscomprises circular acrylonitrile; and

-   -   a subsequent processing unit output stream comprises circular        polyacrylonitrile, modacrylic copolymers, acrylonitrile        butadiene styrene (ABS), styrene acrylonitrile resin (SAN),        nitrile elastomers, acrylonitrile copolymers, hexamethylene        diamine, nylon 6,6, acrylamide, polyacrylamide homopolymers, or        polyacrylamide copolymers, the weight or fraction of which is        attributable to the pyrolysis oil or plastic waste is determined        by mass balance.

Aspect 75. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein any one or more of theprimary, secondary, or tertiary, processing unit output streamscomprises circular propylene oxide; and

-   -   a subsequent processing unit output stream comprises circular        propylene glycol, polyesters, poly(propylene glycols)        homopolymers, poly(propylene glycols) copolymers, and        polyurethanes, the weight or fraction of which is attributable        to the pyrolysis oil or plastic waste is determined by mass        balance.

Aspect 76. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein any one or more of theprimary, secondary, or tertiary, processing unit output streamscomprises circular n-butyraldehyde; and

-   -   a subsequent processing unit output stream comprises circular        poly(vinyl butyral), n-butyric acid, n-butyric anhydride, or        cellulose acetate butyrate, the weight or fraction of which is        attributable to the pyrolysis oil or plastic waste is determined        by mass balance.

Aspect 77. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein any one or more of theprimary, secondary, or tertiary, processing unit output streamscomprises circular isobutyraldehyde; and

-   -   a subsequent processing unit output stream comprises circular        neopentyl glycol, polyesters, or polyurethanes, the weight or        fraction of which is attributable to the pyrolysis oil or        plastic waste is determined by mass balance.

Aspect 78. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein any one or more of theprimary, secondary, or tertiary, processing unit output streamscomprises circular allyl chloride; and

-   -   a subsequent processing unit output stream comprises circular        epichlorohydrin or epoxy resins, the weight or fraction of which        is attributable to the pyrolysis oil or plastic waste is        determined by mass balance.

Aspect 79. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein any one or more of theprimary, secondary, or tertiary, processing unit output streamscomprises circular acrylic acid esters; and

-   -   a subsequent processing unit output stream comprises circular        acrylic homopolymers and copolymers, the weight or fraction of        which is attributable to the pyrolysis oil or plastic waste is        determined by mass balance.

Aspect 80. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein any one or more of theprimary, secondary, or tertiary, processing unit output streamscomprises circular isopropyl alcohol; and

-   -   a subsequent processing unit output stream comprises circular        acetone, bisphenol A, epoxy resins, polycarbonates,        polysulfones, methacrylic acid, poly(methyl methacrylate)        homopolymers or poly(methyl methacrylate) copolymers, the weight        or fraction of which is attributable to the pyrolysis oil or        plastic waste is determined by mass balance.

Aspect 81. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein any one or more of theprimary, secondary, or tertiary, processing unit output streamscomprises circular mixed butenes and butane; and

-   -   a subsequent processing unit output stream comprises circular        butadiene, maleic anhydride, butylene oxide, 1-butene, mixed        butenes, isobutene, or butane, the weight or fraction of which        is attributable to the pyrolysis oil or plastic waste is        determined by mass balance.

Aspect 82. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein any one or more of theprimary, secondary, or tertiary, processing unit output streamscomprises circular butadiene; and

-   -   a subsequent processing unit output stream comprises circular        styrene, polybutadiene elastomer, polybutadiene resins,        hexamethylene diamine, nylons, chloroprene, neoprene elastomer,        1,5-cyclooctadiene, ethylene-propylene terpolymer elastomer,        1,5,9-cyclododecatriene, dodecanoic acid, nylon 6,12, qiana,        lauryl lactam, nylon 12, OH-terminated polymers and copolymers,        polyurethane elastomers, or 1,4-hexadiene, the weight or        fraction of which is attributable to the pyrolysis oil or        plastic waste is determined by mass balance.

Aspect 83. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein any one or more of theprimary, secondary, or tertiary, processing unit output streamscomprises circular maleic anhydride; and

-   -   a subsequent processing unit output stream comprises circular        polyesters, alkyd resins, or styrene-maleic anhydride copolymer,        the weight or fraction of which is attributable to the pyrolysis        oil or plastic waste is determined by mass balance.

Aspect 84. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein any one or more of theprimary, secondary, or tertiary, processing unit output streamscomprises circular butylene oxide; and

-   -   a subsequent processing unit output stream comprises circular        poly(butylene oxide) or polyurethanes, the weight or fraction of        which is attributable to the pyrolysis oil or plastic waste is        determined by mass balance.

Aspect 85. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein any one or more of theprimary, secondary, or tertiary, processing unit output streamscomprises circular 1-butene, mixed butenes, or isobutene; and

-   -   a subsequent processing unit output stream comprises circular        poly(1-butene), poly(butene), poly(isobutene), or butyl rubber,        the weight or fraction of which is attributable to the pyrolysis        oil or plastic waste is determined by mass balance.

Aspect 86. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein any one or more of theprimary, secondary, or tertiary, processing unit output streamscomprises circular butane; and

-   -   a subsequent processing unit output stream comprises circular        acetic acid, the weight or fraction of which is attributable to        the pyrolysis oil or plastic waste is determined by mass        balance.

Aspect 87. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein any one or more of theprimary, secondary, or tertiary, processing unit output streamscomprises circular benzene; and

-   -   a subsequent processing unit output stream comprises circular        ethylbenzene, benzenesulfonic acid, chlorobenzene, cumene,        cyclohexane, nitrobenzene, or maleic anhydride, the weight or        fraction of which is attributable to the pyrolysis oil or        plastic waste is determined by mass balance.

Aspect 88. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein any one or more of theprimary, secondary, or tertiary, processing unit output streamscomprises circular toluene; and

-   -   a subsequent processing unit output stream comprises circular        dinitrotoluenes, toluene diisocyanate, or urethanes, the weight        or fraction of which is attributable to the pyrolysis oil or        plastic waste is determined by mass balance.

Aspect 89. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein any one or more of theprimary, secondary, or tertiary, processing unit output streamscomprises circular ethylbenzene; and

-   -   a subsequent processing unit output stream comprises circular        styrene, the weight or fraction of which is attributable to the        pyrolysis oil or plastic waste is determined by mass balance.

Aspect 90. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein any one or more of theprimary, secondary, or tertiary, processing unit output streamscomprises circular benzenesulfonic acid chlorobenzene, or cumene; and

-   -   a subsequent processing unit output stream comprises circular        phenol, phenolic resins, bisphenol A, 2,6-xylenol, or        poly(phenylene oxide), the weight or fraction of which is        attributable to the pyrolysis oil or plastic waste is determined        by mass balance.

Aspect 91. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein any one or more of theprimary, secondary, or tertiary, processing unit output streamscomprises circular cumene; and

-   -   a subsequent processing unit output stream comprises circular        acetone, methyl methacrylate, poly(methyl methacrylate) polymers        and copolymers, or bisphenol A, the weight or fraction of which        is attributable to the pyrolysis oil or plastic waste is        determined by mass balance.

Aspect 92. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein any one or more of theprimary, secondary, or tertiary, processing unit output streamscomprises circular cyclohexane; and

-   -   a subsequent processing unit output stream comprises circular        adipic acid, nylon 66, polyesters, polyurethanes, caprolactam,        or nylon 6, the weight or fraction of which is attributable to        the pyrolysis oil or plastic waste is determined by mass        balance.

Aspect 93. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein any one or more of theprimary, secondary, or tertiary, processing unit output streamscomprises circular nitrobenzene; and

-   -   a subsequent processing unit output stream comprises circular        aniline, polymeric isocyanates, or urethanes, the weight or        fraction of which is attributable to the pyrolysis oil or        plastic waste is determined by mass balance.

Aspect 94. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein any one or more of theprimary, secondary, or tertiary, processing unit output streamscomprises circular xylenes; and

-   -   a subsequent processing unit output stream comprises circular        o-xylene, m-xylene, or p-xylene, the weight or fraction of which        is attributable to the pyrolysis oil or plastic waste is        determined by mass balance.

Aspect 95. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein any one or more of theprimary, secondary, or tertiary, processing unit output streamscomprises circular o-xylene; and

-   -   a subsequent processing unit output stream comprises circular        phthalic anhydride, alkyd resins, polyester resins, polyester        polyols, urethanes, or polyurethanes, the weight or fraction of        which is attributable to the pyrolysis oil or plastic waste is        determined by mass balance.

Aspect 96. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein any one or more of theprimary, secondary, or tertiary, processing unit output streamscomprises circular m-xylene; and

-   -   a subsequent processing unit output stream comprises circular        isophthalic acid, polyesters, alkyd resins, polyamide resins,        diphenyl isophthalate, or polybenzimidazoles, the weight or        fraction of which is attributable to the pyrolysis oil or        plastic waste is determined by mass balance.

Aspect 97. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein any one or more of theprimary, secondary, or tertiary, processing unit output streamscomprises circular p-xylene; and

-   -   a subsequent processing unit output stream comprises circular        terephthalic acid, poly(ethylene terephthalate), or        poly(butylene terephthalate), the weight or fraction of which is        attributable to the pyrolysis oil or plastic waste is determined        by mass balance.

Aspect 98. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein any one or more of theprimary, secondary, or tertiary, processing unit output streamscomprises circular methane; and

-   -   a subsequent processing unit output stream comprises circular        formaldehyde, phosgene, carbon dioxide, carbon disulfide,        hydrogen cyanide, methanol, chloroform, or acetylene, the weight        or fraction of which is attributable to the pyrolysis oil or        plastic waste is determined by mass balance.

Aspect 99. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein any one or more of theprimary, secondary, or tertiary, processing unit output streamscomprises circular formaldehyde; and

-   -   a subsequent processing unit output stream comprises circular        urea-formaldehyde resins, melamine-formaldehyde resins,        phenol-formaldehyde resins, polyformaldehyde polymers and        copolymers (acetal resins), pentaerythritol, alky resins,        aniline-formaldehyde resins, butanediol, or poly(butylene        terephthalate), the weight or fraction of which is attributable        to the pyrolysis oil or plastic waste is determined by mass        balance.

Aspect 100. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein any one or more of theprimary, secondary, or tertiary, processing unit output streamscomprises circular phosgene; and

-   -   a subsequent processing unit output stream comprises circular        isocyanates, polyurethanes, or polycarbonates, the weight or        fraction of which is attributable to the pyrolysis oil or        plastic waste is determined by mass balance.

Aspect 101. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein any one or more of theprimary, secondary, or tertiary, processing unit output streamscomprises circular carbon dioxide; and

-   -   a subsequent processing unit output stream comprises circular        urea or urea-formaldehyde resins, the weight or fraction of        which is attributable to the pyrolysis oil or plastic waste is        determined by mass balance.

Aspect 102. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein any one or more of theprimary, secondary, or tertiary, processing unit output streamscomprises circular carbon disulfide; and

-   -   a subsequent processing unit output stream comprises circular        regenerated cellulose, the weight or fraction of which is        attributable to the pyrolysis oil or plastic waste is determined        by mass balance.

Aspect 103. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein any one or more of theprimary, secondary, or tertiary, processing unit output streamscomprises circular hydrogen cyanide; and

-   -   a subsequent processing unit output stream comprises circular        methyl methacrylate, poly(methyl methacrylate), hexamethylene        diamine, or nylons, the weight or fraction of which is        attributable to the pyrolysis oil or plastic waste is determined        by mass balance.

Aspect 104. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein any one or more of theprimary, secondary, or tertiary, processing unit output streamscomprises circular methanol; and

-   -   a subsequent processing unit output stream comprises circular        acetic acid, cellulose acetate, cellulose acetate butyrate,        vinyl acetate, or poly(vinyl acetate) polymers and copolymers,        the weight or fraction of which is attributable to the pyrolysis        oil or plastic waste is determined by mass balance.

Aspect 105. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein any one or more of theprimary, secondary, or tertiary, processing unit output streamscomprises circular chloroform; and

-   -   a subsequent processing unit output stream comprises circular        tetrafluoroethylene or poly(tetrafluoroethylene), the weight or        fraction of which is attributable to the pyrolysis oil or        plastic waste is determined by mass balance.

Aspect 106. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein any one or more of theprimary, secondary, or tertiary, processing unit output streamscomprises circular acetylene; and

-   -   a subsequent processing unit output stream comprises circular        acrylate esters, vinyl fluoride, poly(vinyl fluoride),        1,4-butandiol, poly(butylene terephthalate), vinylpyrrolidone,        or poly(vinylpyrrolidone), the weight or fraction of which is        attributable to the pyrolysis oil or plastic waste is determined        by mass balance.

Aspect 107. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein any one or more of theprimary, secondary, or tertiary, processing unit output streamscomprises circular 1,3-butadiene; and

-   -   a subsequent processing unit output stream comprises circular        sulfolane or circular sulfolene, the weight or fraction of which        is attributable to the pyrolysis oil or plastic waste is        determined by mass balance.

Aspect 108. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein any one or more of theprimary, secondary, or tertiary, processing unit output streamscomprises a circular olefin or diene selected from 1-butene, 1-pentene,1-hexene, 1-heptene, 1-octene, 1-nonene, 1-decene, 1-dodecene,1-tetradecene, 1-hexadecene, 1-octadecene, 1,3-butadiene, andcombinations thereof; and

-   -   a subsequent processing unit output stream comprises circular        polyethylene comprising the circular olefin or diene, the weight        or fraction of which is attributable to the pyrolysis oil or        plastic waste is determined by mass balance.

Aspect 109. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein any one or more of theprimary, secondary, or tertiary, processing unit output streamscomprises circular heptane; and

-   -   a subsequent processing unit output stream comprises circular        sulfonated asphalt (SAS), the weight or fraction of which is        attributable to the pyrolysis oil or plastic waste is determined        by mass balance.

Aspect 110. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein any one or more of theprimary, secondary, or tertiary, processing unit output streamscomprises circular MeSH; and

-   -   a subsequent processing unit output stream comprises circular        L-cysteine, the weight or fraction of which is attributable to        the pyrolysis oil or plastic waste is determined by mass        balance.

Aspect 111. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein any one or more of theprimary, secondary, or tertiary, processing unit output streamscomprises a circular dimethyl sulfide or dimethyl disulfide, the weightor fraction of which is attributable to the pyrolysis oil or plasticwaste is determined by mass balance; and

-   -   the circular dimethyl sulfide or dimethyl disulfide is used in        mining operations.

Aspect 112. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein any one or more of theprimary, secondary, or tertiary, processing unit output streamscomprises a circular polyalphaolefin, the weight or fraction of which isattributable to the pyrolysis oil or plastic waste is determined by massbalance; and

-   -   the circular polyalphaolefin is used in a wind turbine, engine        oil (passenger car or heavy-duty diesel), transmission fluid        (standard and hybrid vehicle ATF), CVT fluid (continuous        variable transmission), axle fluid, industrial gear oil,        compressor oil, dielectric fluid (specifically dielectric        immersion coolant for computers), hydraulic fluid, industrial        gear oil, fiber optic cable filling gel, drilling fluid, oil        used in lotions and creams (emollients in cosmetics and        toiletries), shampoos, hair care products, greases, gas turbine        lubricants, heat transfer fluids, metalworking fluids, textile        fluids, bearing oils, gun oils (including CLP—clean lube        protect—oils), as a component to be combined with vegetable oils        to produce hydraulic fluids and other bio-based lubricants, or        as viscosity modifiers and other thickeners.

Aspect 113. A process for producing chemicals or polymers from plasticwaste according to any of the preceding Aspects, wherein the primary,the secondary, the tertiary, or subsequent processing units comprise orare selected independently from a refinery crude unit, an atmosphericdistillation unit, a vacuum distillation unit, a separation unit, ahydroprocessing unit, a fluid catalytic cracking (FCC) unit, an FCCpre-treating unit upstream of a fluid catalytic cracking (FCC) unit, asteam cracking unit (liquid or gas), a natural gas liquids (NGL) unit, areforming (aromatics) unit, an alkylation reactor, an aromaticspurification unit, a polymerization reactor, an olefin oligomerizationunit, an isomerization reactor, a metathesis reactor, a hydroformylationunit, a dehydroformylation unit, an oxidation unit, a reduction unit, anitration unit, an amination unit, a nitrile unit, an amidation unit, ahydrogenation unit, a Fischer-Tropsch reactor, a methanol-to-olefinsreactor, an alkylation unit, a catalytic dehydrogenation unit, apolyester unit, a polyamide unit, or a combination thereof.

Aspect 114. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein one of the primary, thesecondary, the tertiary, or subsequent processing units is a refinerycrude unit.

Aspect 115. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein: (a) one of the primary,the secondary, the tertiary, or subsequent processing units is arefinery crude unit; and (b) one or more of the refinery crude unitoutput streams comprise circular alkanes, circular naphthenes, circularnatural gas liquids, circular light naphtha, circular heavy naphtha,circular gasoline, circular kerosene, circular diesel, or circular fueloil.

Aspect 116. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein, unless otherwiseindicated: (a) one of the primary, the secondary, the tertiary, orsubsequent processing units is a hydroprocessing unit; and (b) thehydroprocessing unit feed further comprises hydrogen.

Aspect 117. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein, unless otherwiseindicated: (a) one of the primary, the secondary, the tertiary, orsubsequent processing units is a hydroprocessing unit; and (b) thehydroprocessing unit comprises or is selected independently from ahydrocracker, a catalytic cracker operated in hydropyrolysis mode, afluid catalytic cracker operated in hydropyrolysis mode, or ahydrotreater.

Aspect 118. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein, unless otherwiseindicated: (a) one of the primary, the secondary, the tertiary, orsubsequent processing units is hydroprocessing unit; (b) thehydroprocessing unit feed comprises petroleum or a heavy hydrocarbonfraction of petroleum and hydrogen; and (c) one or more of thehydroprocessing unit output streams comprise circular gasoline, circularfuel oil, circular naphtha, or circular olefins.

Aspect 119. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein one of the primary, thesecondary, the tertiary, or subsequent processing units is a fluidcatalytic cracking (FCC) unit.

Aspect 120. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein: (a) one of the primary,the secondary, the tertiary, or subsequent processing units is a fluidcatalytic cracking (FCC) unit; (b) unless otherwise indicated, the FCCunit feed comprises a heavy hydrocarbon fraction of petroleum; and (c)one or more of the FCC unit output streams comprise circular gasoline,circular fuel oil, circular naphtha, or circular olefins.

Aspect 121. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein one of the primary, thesecondary, the tertiary, or subsequent processing units is an FCCpre-treating unit upstream of a fluid catalytic cracking (FCC) unit.

Aspect 122. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein: (a) one of the primary,the secondary, the tertiary, or subsequent processing units is an FCCpre-treating unit upstream of a fluid catalytic cracking (FCC) unit; (b)unless otherwise indicated, the FCC pre-treating unit feed comprisespetroleum or a heavy hydrocarbon fraction thereof; and (c) one or moreof the FCC pre-treating unit output streams comprise a circularhydrocarbon having a lower sulfur content, a lower aromatic content, orboth, as compared with the sulfur content and/or aromatic content in thefeed.

Aspect 123. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein one of the primary, thesecondary, the tertiary, or subsequent processing units is a steamcracking unit.

Aspect 124. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein: (a) one of the primary,the secondary, the tertiary, or subsequent processing units is a steamcracking unit; (b) unless otherwise indicated, the steam cracking unitfeed comprises naphtha, liquefied petroleum gas (LPG), or light (C₂-C₅)hydrocarbons; and (c) one or more of the steam cracking unit outputstreams comprise circular ethylene, circular propylene, or a combinationthereof.

Aspect 125. A process for producing chemicals or polymers from plasticwaste according to Aspect 124, wherein the concentration of ethylene andpropylene in the one or more steam cracking unit output streams isgreater than the concentration of ethylene and propylene in the steamcracking unit feed.

Aspect 126. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein: (a) one of the primary,the secondary, the tertiary, or subsequent processing units is a naturalgas liquids (NGL) unit; and (b) unless otherwise indicated, the NGL unitfeed comprises a refinery-transfer stream.

Aspect 127. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein: (a) one of the primary,the secondary, the tertiary, or subsequent processing units is a naturalgas liquids (NGL) unit; and (b) unless otherwise indicated, one or moreof the NGL unit output streams comprise circular light (C₂-C₅)hydrocarbons.

Aspect 128. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein: (a) the primaryprocessing unit is a natural gas liquids (NGL) unit; and (b) unlessotherwise indicated. the primary processing unit output stream comprisescircular light (C₂-C₅) hydrocarbons.

Aspect 129. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein one of the primary, thesecondary, the tertiary, or subsequent processing units is a reformingunit.

Aspect 130. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein: (a) the primaryprocessing unit is a reforming unit; and (b) unless otherwise indicated,the reforming unit feed comprises pyrolysis oil and naphtha.

Aspect 131. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein: (a) the primaryprocessing unit is a reforming unit; (b) unless otherwise indicated, thereforming unit feed comprises pyrolysis oil and naphtha; and (c) thereforming unit output stream comprises circular aromatic hydrocarbons ina higher concentration than is present in the primary processing unitfeed.

Aspect 132. A process for producing chemicals or polymers from plasticwaste according to Aspect 131, wherein: (a) the secondary processingunit is a separation unit; and (b) the separation unit feed comprisesaromatic hydrocarbons, aliphatic hydrocarbons, and hydrogen.

Aspect 133. A process for producing chemicals or polymers from plasticwaste according to Aspect 131, wherein: (a) the secondary processingunit is a separation unit; (b) the separation unit feed comprisesaromatic hydrocarbons, aliphatic hydrocarbons, and hydrogen; and (c) theseparation unit output streams comprise an aromatic hydrocarbon-richstream, an aliphatic hydrocarbon-rich stream, and wherein at least aportion of the aliphatic hydrocarbon-rich stream is recycled to thereforming unit.

Aspect 134. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein, unless otherwiseindicated: (a) one of the primary, the secondary, the tertiary, orsubsequent processing units is a polymerization reactor; (b) thepolymerization reactor feed comprises circular ethylene; and (c) thepolymerization output stream comprises circular polyethylene.

Aspect 135. A process for producing chemicals or polymers from plasticwaste according to Aspect 134, wherein the polymerization reactor feedfurther comprises a circular comonomer or a non-circular comonomer.

Aspect 136. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein, unless otherwiseindicated: (a) one of the primary, the secondary, the tertiary, orsubsequent processing units is a polymerization reactor; (b) thepolymerization reactor feed comprises circular propylene; and (c) thepolymerization output stream comprises circular polypropylene.

Aspect 137. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52,wherein:

-   -   (a) unless otherwise indicated, one of the primary processing        units is a refinery crude unit, the refinery crude unit feed        comprises petroleum and pyrolysis oil, and the refinery crude        unit output stream comprises circular natural gas liquids;    -   (b) one of the secondary processing units is a natural gas        liquids (NGL) unit, wherein the NGL unit feed comprises circular        natural gas liquids from the refinery crude unit, and wherein        the NGL unit output stream comprises circular light (C₂-C₅)        hydrocarbons; and    -   (c) one of the tertiary processing units is a steam cracking        unit, the steam cracking unit feed comprises circular light        (C₂-C₅) hydrocarbons from the NGL unit, and the steam cracking        unit output stream comprises circular light (C₂-C₅) olefins.

Aspect 138. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein:

-   -   (a) unless otherwise indicated, one of the primary processing        units is a natural gas liquids (NGL) unit, the NGL unit feed        comprises natural gas liquids and pyrolysis oil, and the NGL        unit output stream comprises circular light (C₂-C₅)        hydrocarbons; and    -   (b) one of the secondary processing units is a steam cracking        unit, the steam cracking unit feed comprises circular light        (C₂-C₅) hydrocarbons from the NGL unit, and the steam cracking        unit output stream comprises circular light (C₂-C₅) olefins.

Aspect 139. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 137-138, wherein:

-   -   (a) the NGL unit output stream comprises circular ethane (C₂);        and    -   (b) the steam cracking unit feed comprises circular ethane (C₂),        and the steam cracking unit output stream comprises circular        ethylene.

Aspect 140. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 137-139, wherein:

-   -   (c) one of the tertiary processing units is a polymerization        unit, the polymerization unit feed comprises circular ethylene        from the steam cracking unit, and the polymerization unit output        stream comprises circular polyethylene.

Aspect 141. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 137-139, wherein:

-   -   (c) one of the tertiary processing units is an olefin        oligomerization unit, the olefin oligomerization unit feed        comprises circular ethylene from the steam cracking unit, and        the olefin oligomerization unit output stream comprises C₄ to        C₃₀ normal alpha-olefins.

Aspect 142. A process for producing chemicals or polymers from plasticwaste according to Aspect 137-138, wherein:

-   -   (a) the NGL unit output stream comprises circular propane (C₃);        and    -   (b) the steam cracking unit feed comprises circular propane        (C₃), and the steam cracking unit output stream comprises        circular propylene.

Aspect 143. A process for producing chemicals or polymers from plasticwaste according to Aspect 142, wherein:

-   -   (c) one of the tertiary processing units is a polymerization        unit, the polymerization unit feed comprises circular propylene        from the steam cracking unit, and the polymerization unit output        stream comprises circular polypropylene.

Aspect 144. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein:

-   -   (a) unless otherwise indicated, one of the primary processing        units is a refinery crude unit, the refinery crude unit feed        comprises petroleum and pyrolysis oil, and the refinery crude        unit output stream comprises circular naphtha; and    -   (b) one of the secondary processing units is a reforming unit,        the reforming unit feed comprises circular naphtha from the        refinery unit, and the reforming unit output stream comprises        circular benzene.

Aspect 145. A process for producing chemicals or polymers from plasticwaste according to Aspect 144, wherein:

-   -   (c) one of the tertiary processing units is an alkylation unit,        the alkylation unit feed comprises ethylene from the steam        cracking unit and circular benzene from the reforming unit, and        the alkylation unit output stream comprises circular        ethylbenzene.

Aspect 146. A process for producing chemicals or polymers from plasticwaste according to Aspect 145, wherein:

-   -   (d) one of the quaternary processing units is a dehydrogenation        unit, the alkylation unit feed comprises circular ethylbenzene        from the alkylation unit, and the dehydrogenation unit output        stream comprises circular styrene.

Aspect 147. A process for producing chemicals or polymers from plasticwaste according to Aspect 146, wherein:

-   -   (e) one of the quinary processing units is a polymerization        unit, the polymerization unit feed comprises circular styrene        from the dehydration unit, and the polymerization unit output        stream comprises circular polystyrene.

Aspect 148. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein, unless otherwiseindicated:

-   -   (a) one of the primary processing units is a refinery crude        unit, the refinery crude unit feed comprises petroleum and        pyrolysis oil, and two refinery crude unit output streams        comprise, independently, [1] circular natural gas liquids, and        [2] circular naphtha;    -   (b) one of the secondary processing units is a natural gas        liquids (NGL) unit, wherein the NGL unit feed comprises circular        natural gas liquids from the refinery crude unit, and wherein        the NGL unit output stream comprises circular light (C₂-C₅)        hydrocarbons; and one of the secondary processing units is a        reforming unit, wherein the reforming unit feed comprises        circular naphtha from the refinery crude unit, and the reforming        unit output streams comprise circular benzene;    -   (c) one of the tertiary processing units is a steam cracking        unit, the steam cracking unit feed comprises circular light        (C₂-C₅) hydrocarbons from the NGL unit, and the steam cracking        unit output stream comprises circular ethylene;    -   (d) one of the quaternary processing units is an alkylation        unit, the alkylation unit feed comprises circular ethylene from        the steam cracking unit and circular benzene from the reforming        unit, and the alkylation unit output stream comprises circular        ethylbenzene; and    -   (e) one of the quinary processing units is a dehydrogenation        unit, the alkylation unit feed comprises circular ethylbenzene        from the alkylation unit, and the dehydrogenation unit output        stream comprises circular styrene.

Aspect 149. A process for producing chemicals or polymers from plasticwaste according to Aspect 148, wherein:

-   -   (f) one of the senary processing units is a polymerization unit,        the polymerization unit feed comprises circular styrene from the        dehydration unit, and the polymerization unit output stream        comprises circular polystyrene.

Aspect 150. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 1-52, wherein:

-   -   (a) unless otherwise indicated, one of the primary processing        unit is a reforming unit, the reforming unit feed comprises        naphtha and pyrolysis oil, and the reforming unit output streams        comprise circular benzene; and    -   (b) one of the secondary processing unit is a hydrogenation        unit, wherein the hydrogenation unit feed comprises circular        benzene from the reforming unit and hydrogen, and the        hydrogenation unit output stream comprises circular cyclohexane.

Aspect 151. A process for producing chemicals or polymers from plasticwaste according to Aspect 150, wherein:

-   -   (c) one of the tertiary processing unit is an oxidation unit,        the oxidation unit feed comprises circular cyclohexane, air, and        nitric acid, and the oxidation unit output stream comprises        circular adipic acid.

Aspect 152. A process for producing chemicals or polymers from plasticwaste according to Aspect 151, wherein:

-   -   (d) one of the quaternary processing unit is a nitrile unit, the        nitrile unit feed comprises circular adipic acid, and the        nitrile unit output stream comprises circular adiponitrile.

Aspect 153. A process for producing chemicals or polymers from plasticwaste according to Aspect 152, wherein:

-   -   (e) one of the quinary processing units is a reduction unit, the        reduction unit feed comprises circular adiponitrile, and the        reduction unit output stream comprises circular hexamethylene        diamine (HMDA).

Aspect 154. A process for producing chemicals or polymers from plasticwaste according to Aspect 153, wherein:

-   -   (f) one of the senary processing units is a polymerization unit,        the polymerization unit feed comprise circular adipic acid and        circular hexamethylene diamine (HMDA), and the polymerization        unit output stream comprises circular Nylon 6,6.

Aspect 155. A process for producing chemicals or polymers from plasticwaste according to Aspect 150, wherein:

-   -   (c) one of the tertiary processing units is an amidation unit,        the amidation unit feed comprises circular cyclohexane, and the        amidation unit output stream comprises circular caprolactam.

Aspect 156. A process for producing chemicals or polymers from plasticwaste according to Aspect 155, wherein:

-   -   (d) one of the quaternary processing units is a polymerization        unit, the polymerization unit feed comprise circular        caprolactam, and the polymerization unit output stream comprises        circular Nylon 6.

Aspect 157. A process for producing chemicals or polymers from plasticwaste, the process comprising:

-   -   (a) providing a pyrolysis oil from plastic waste, wherein the        pyrolysis oil comprises light (C₂-C₅) hydrocarbons and heavy        (C₆₊) hydrocarbons;    -   (b) separating at least a portion of the pyrolysis oil into a        pyrolysis gas stream comprising light (C₂-C₅) hydrocarbons and a        pyrolysis liquid stream comprising the heavy (C₆₊) hydrocarbons;    -   (c) optionally, providing a petroleum-based, fossil fuel-based,        or bio-based feed;    -   (d) introducing one or more primary processing unit feeds, each        comprising independently, [1] the pyrolysis gas stream, the        pyrolysis liquid stream, the pyrolysis oil, or any combination        thereof, and [2] when present, the petroleum-based, fossil        fuel-based, or bio-based feed, each at a known feed rate, into        one or more primary processing units, thereby providing one or        more primary processing unit feeds, each comprising at least a        portion of the pyrolysis oil in a known concentration; and    -   (e) converting the one or more primary processing unit feeds        into one or more primary processing unit output streams, a        portion of each output stream comprising at least one circular        product, wherein the weight or the fraction of each circular        product attributable to the pyrolysis oil or plastic waste is        determined by mass balance.

Aspect 158. A process for producing chemicals or polymers from plasticwaste according to Aspect 157, wherein the process further comprises:

-   -   (f) transferring at least a portion of one, or at least a        portion of more than one, of the primary processing unit output        streams, each at a known feed rate, into one or more secondary        or subsequent processing units, thereby providing one or more        secondary or subsequent processing unit feeds, each comprising a        circular product in a known concentration; and    -   (g) converting the one or more secondary or subsequent        processing unit feeds into one or more secondary or subsequent        processing unit output streams, a portion of each output stream        comprising at least one circular product, wherein the weight or        the fraction of each circular product attributable to the        pyrolysis oil or plastic waste is determined by mass balance;        and    -   (h) repeating steps (f) and (g) any number of times (0 or more)        by:        -   [1] transferring at least a portion of one, or at least a            portion of more than one, of the secondary or subsequent            processing unit output streams, each at a known feed rate,            into one or more tertiary or subsequent processing units,            thereby providing one or more tertiary or subsequent            processing unit feeds, each comprising a circular product in            a known concentration; and        -   [2] converting the one or more tertiary or subsequent            processing unit feeds into one or more tertiary or            subsequent processing unit output streams, a portion of each            output stream comprising at least one circular product,            wherein the weight or the fraction of each circular product            attributable to the pyrolysis oil or plastic waste is            determined by mass balance.

Aspect 159. A process for producing chemicals or polymers from plasticwaste according to Aspect 158, wherein repeating steps (f) and (g) iscarried out 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, or 10 times.

Aspect 160. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 157-159, wherein the process furthercomprises:

-   -   (i) certifying any one or more of the products in the primary        processing unit output streams, secondary processing unit output        streams, or tertiary or subsequent processing unit output        streams, as Circular in accordance with International        Sustainability and Carbon Certification (ISCC) standards, based        upon the weight or fraction of the circular product attributable        to the pyrolysis oil or plastic waste determined by mass balance        and the free attribution method.

Aspect 161. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 158-160, wherein the pyrolysis oil,the pyrolysis gas stream, the pyrolysis liquid stream, or a combinationthereof is introduced into one or more of the secondary processing unitsor one or more of the secondary input streams, thereby providing one ormore secondary processing unit feeds comprising a circular product in aknown concentration and the pyrolysis oil or a fraction thereof in aknown concentration.

Aspect 162. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 158-161, wherein the pyrolysis oil,the pyrolysis gas stream, the pyrolysis liquid stream, or a combinationthereof is introduced into one or more of the tertiary or subsequentprocessing units or one or more of the tertiary or subsequent inputstreams, thereby providing one or more tertiary or subsequent processingunit feeds comprising a circular product in a known concentration andthe pyrolysis oil or a fraction thereof in a known concentration.

Aspect 163. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 158-162, wherein:

-   -   (a) the primary processing unit is a natural gas liquids (NGL)        unit, wherein: [1] the NGL unit feed comprises pyrolysis oil, at        least a portion of the pyrolysis gas stream, of both; [2] one or        more of the NGL unit output streams comprises light (C₂-C₅)        hydrocarbons in a higher total concentration than is present in        the pyrolysis gas stream; and [3] the fraction of light (C₂-C₅)        hydrocarbons attributable to the pyrolysis oil or plastic waste        is determined by mass balance; and    -   (b) the secondary processing unit is a steam cracker, wherein:        [1] the steam cracker feed comprises at least a portion of the        NGL unit output stream comprising light (C₂-C₅) hydrocarbons;        [2] the steam cracker product stream comprising ethylene in a        higher total concentration than is present in the NGL unit        output stream; and [3] the fraction of ethylene attributable to        the pyrolysis oil or plastic waste is determined by mass        balance.

Aspect 164. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 158-163, wherein the primary, thesecondary, the tertiary, or subsequent processing units comprise or areselected independently from a refinery crude unit, an atmosphericdistillation unit, a vacuum distillation unit, a separation unit, ahydroprocessing unit, a fluid catalytic cracking (FCC) unit, an FCCpre-treating unit upstream of a fluid catalytic cracking (FCC) unit, asteam cracking unit (liquid or gas), a natural gas liquids (NGL) unit, areforming (aromatics) unit, an alkylation reactor, an aromaticspurification unit, a polymerization reactor, an isomerization reactor, ametathesis reactor, a hydroformylation unit, a dehydroformylation unit,an oxidation unit, a reduction unit, a nitration unit, an aminationunit, a nitrile unit, an amidation unit, a hydrogenation unit, aFischer-Tropsch reactor, a methanol-to-olefins reactor, an alkylationunit, a catalytic dehydrogenation unit, a polyester unit, a polyamideunit, or a combination thereof.

Aspect 165. A process for producing chemicals or polymers from plasticwaste, the process comprising:

-   -   (a) providing a pyrolysis oil from plastic waste, wherein the        pyrolysis oil comprises light (C₂-C₅) hydrocarbons and heavy        (C₆₊) hydrocarbons;    -   (b) separating at least a portion of the pyrolysis oil into a        pyrolysis gas stream comprising at least a portion of the light        (C₂-C₅) hydrocarbons and a pyrolysis liquid stream comprising at        least a portion of the heavy (C₆₊) hydrocarbons;    -   (c) feeding at least a portion of the pyrolysis gas stream to a        Natural Gas Liquids (NGL) unit to provide an NGL product stream        comprising ethane in a higher total concentration than is        present in the pyrolysis gas stream, wherein the fraction of        ethane attributable to the pyrolysis oil or plastic waste is        determined by mass balance;    -   (d) feeding at least a portion of the pyrolysis liquid stream to        a reforming unit to provide a reforming product stream        comprising benzene in a higher concentration than is present in        the pyrolysis liquid stream, wherein the fraction of benzene        attributable to the pyrolysis oil or plastic waste is determined        by mass balance;    -   (e) processing the NGL product stream in a steam cracker to        provide a steam cracker product stream comprising ethylene in a        higher total concentration than is present in the NGL product        stream, wherein the fraction of ethylene olefins attributable to        the pyrolysis oil or plastic waste is determined by mass        balance;    -   (f) feeding the steam cracker product stream, the reforming        product stream, or both into one or more subsequent processing        units to provide one or more corresponding output streams, a        fraction of each output stream comprising a circular product,        wherein the fraction of the circular product attributable to the        pyrolysis oil or plastic waste is determined by mass balance.

Aspect 166. A process for producing chemicals or polymers from plasticwaste according to Aspect 165, further comprising the step of:

-   -   (g) certifying the chemical or the polymer as Circular in        accordance with International Sustainability and Carbon        Certification (ISCC) standards, based upon the weight or        fraction of the circular product attributable to the pyrolysis        oil or plastic waste determined by mass balance and the free        attribution method.

Aspect 167. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 165-166, wherein:

-   -   (a) the steam cracker product stream comprising ethylene is fed        to a subsequent polymerization unit; and    -   (b) the circular product comprises circular polyethylene.

Aspect 168. A process for producing chemicals or polymers from plasticwaste, the process comprising:

-   -   (a) providing a pyrolysis oil from plastic waste, wherein the        pyrolysis oil comprises light (C₂-C₅) hydrocarbons and heavy        (C₆₊) hydrocarbons;    -   (b) optionally, providing a petroleum-based, fossil fuel-based,        or bio-based feed;    -   (c) introducing [1] the pyrolysis oil or a fraction thereof and        [2] when present, the petroleum-based, fossil fuel-based, or        bio-based feed, each at a known feed rate, into a primary        processing unit (P¹) as one or more (a) first input streams        (I^(1.1), . . . I^(1.a), a is an integer), thereby providing a        primary processing unit feed (F¹) comprising the pyrolysis oil        in a known concentration; and    -   (d) converting the primary processing unit feed (F¹) into one or        more (m) primary processing unit output streams (O^(1.1), . . .        O^(1.m), m is an integer), each output stream comprising at        least one circular product, wherein the weight or the fraction        of each circular product attributable to the pyrolysis oil or        plastic waste is determined by mass balance.

Aspect 169. A process for producing chemicals or polymers from plasticwaste according to Aspect 168, wherein the process further comprises:

-   -   (e) transferring at least a portion of one, or at least a        portion of more than one, of the primary processing unit output        streams (O^(1.1), . . . O^(1.m)) into one or more (x) secondary        processing units (P², . . . P^(1+x), x is an integer) as one or        more (b) secondary input streams (I^(2.1), . . . I^(1+x.1), . .        . , wherein b is the total number of secondary input streams),        thereby providing one or more secondary processing unit feeds        (F², . . . F^(1+x)), each comprising a circular product in a        known concentration; and    -   (f) converting the one or more secondary processing unit feeds        (F², . . . F^(1+x)) into one or more (n) secondary processing        unit output streams (O^(2.1), . . . O^(1+x.1), . . . , wherein n        is the total number of secondary processing unit output        streams), each output stream comprising at least one circular        product, wherein the weight or the fraction of each circular        product attributable to the pyrolysis oil or plastic waste is        determined by mass balance.

Aspect 170. A process for producing chemicals or polymers from plasticwaste according to Aspect 169, wherein the process further comprises:

-   -   (g) transferring at least a portion of one, or at least a        portion of more than one, of the secondary processing unit        output streams (O^(2.1), . . . O^(1+x.1), . . . ) into one or        more (y) tertiary processing units (P^(2+x), P^(2+x+y), y is an        integer) as one or more (c) tertiary input streams (I^(3.1), . .        . I^(1+x+y.1), . . . , wherein c is the total number of tertiary        input streams), thereby providing one or more tertiary        processing unit feeds (F^(2+x), . . . F^(2+x+y)), each        comprising a circular product in a known concentration; and    -   (h) converting the one or more tertiary processing unit feeds        (F^(2+x), . . . F^(2+x+y)) into one or more (p) tertiary        processing unit output streams (O^(2+x.1), . . . O^(2+x+y.1), .        . . , wherein p is the total number of tertiary processing unit        output streams), each output stream comprising at least one        circular product, wherein the weight or the fraction of each        circular product attributable to the pyrolysis oil or plastic        waste is determined by mass balance.

Aspect 171. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 168-170, wherein the process furthercomprises:

-   -   (i) certifying any one or more of the primary processing unit        output streams (O^(1.1), . . . O^(1.m)), one or more of the        secondary processing unit output streams (O^(2.1), . . .        O^(1+x.1), or one or more of the tertiary processing unit output        streams (O^(2+x.1), . . . O^(2+x+y), . . . ) as Circular in        accordance with International Sustainability and Carbon        Certification (ISCC) standards, based upon the weight or        fraction of the circular product attributable to the pyrolysis        oil or plastic waste determined by mass balance and the free        attribution method.

Aspect 172. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 168-171, wherein the pyrolysis oil isintroduced into the primary processing unit by:

-   -   (a) combining the pyrolysis oil and the petroleum-based, fossil        fuel-based, or bio-based feed prior to introducing the pyrolysis        oil and the petroleum-based, fossil fuel-based, or bio-based        feed into the primary processing unit;    -   (b) introducing the pyrolysis oil directly into the primary        processing unit; or    -   (c) a combination of (a) and (b).

Aspect 173. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 168-172, wherein the pyrolysis oil isnot separated into light (C₂-C₅) hydrocarbons and heavy (C₆₊)hydrocarbons prior to introducing the pyrolysis oil into the primaryprocessing unit (P¹).

Aspect 174. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 168-172, wherein the pyrolysis oil isseparated into the light (C₂-C₅) hydrocarbons and heavy (C₆₊)hydrocarbons prior to introducing the pyrolysis oil into the primaryprocessing unit (P¹), and one of the light (C₂-C₅) hydrocarbons or theheavy (C₆₊) hydrocarbons is introduced the pyrolysis oil into theprimary processing unit (P¹).

Aspect 175. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 169-174, wherein the pyrolysis oilcomprising light (C₂-C₅) hydrocarbons and heavy (C₆₊) hydrocarbons isintroduced into one or more of the secondary processing units (P², . . .P^(1+x)) or one or more of the secondary input streams (I^(2.1), . . .I^(1+x.1), . . . ), thereby providing one or more secondary processingunit feeds (F², . . . F^(1+x)) comprising a circular product in a knownconcentration and the pyrolysis oil.

Aspect 176. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 169-175, wherein the pyrolysis oilcomprising light (C₂-C₅) hydrocarbons and heavy (C₆₊) hydrocarbons isintroduced into one or more of the tertiary processing units (P^(2+x), .. . P^(2x+y)) or one or more of the tertiary input streams (I^(3.1), . .. I^(1+x+y.1), . . . ), thereby providing one or more tertiaryprocessing unit feeds (F^(2+x), . . . F^(2x+y)) comprising a circularproduct in a known concentration and the pyrolysis oil.

Aspect 177. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 168-176, wherein the primary, thesecondary, the tertiary, or subsequent processing units comprise or areselected independently from a refinery crude unit, an atmosphericdistillation unit, a vacuum distillation unit, a separation unit, ahydroprocessing unit, a fluid catalytic cracking (FCC) unit, an FCCpre-treating unit upstream of a fluid catalytic cracking (FCC) unit, asteam cracking unit (liquid or gas), a natural gas liquids (NGL) unit, areforming (aromatics) unit, an alkylation reactor, an aromaticspurification unit, a polymerization reactor, an olefin oligomerizationunit, an isomerization reactor, a metathesis reactor, a hydroformylationunit, a dehydroformylation unit, an oxidation unit, a reduction unit, anitration unit, an amination unit, a nitrile unit, an amidation unit, ahydrogenation unit, a Fischer-Tropsch reactor, a methanol-to-olefinsreactor, an alkylation unit, a catalytic dehydrogenation unit, apolyester unit, a polyamide unit, or a combination thereof.

Aspect 178. A process for producing chemicals or polymers from plasticwaste according to any of the preceding Aspects, wherein the processfurther comprises certifying any one or more of the products in theprimary processing unit output streams, secondary processing unit outputstreams, or tertiary or subsequent processing unit output streams, asCircular in accordance with International Sustainability and CarbonCertification (ISCC) standards, based upon the weight or fraction of thecircular product attributable to the pyrolysis oil or plastic wastedetermined by mass balance and the free attribution method.

Aspect 179. A composition comprising a circular chemical or polymerwhich is certified as circular in accordance with InternationalSustainability and Carbon Certification (ISCC) standards, wherein thechemical or polymer is produced in accordance with any one of thepreceding Aspects.

Aspect 180. A composition comprising a circular chemical or polymerwhich is certified as circular in accordance with InternationalSustainability and Carbon Certification (ISCC) standards.

Aspect 181. A process for producing chemicals or polymers from plasticwaste, the process comprising:

-   -   (a) introducing (i) a pyrolysis oil and (ii) optionally, a        petroleum-based, fossil fuel-based, or bio-based feed, each at a        known feed rate, into a processing unit as a processing unit        feed, wherein the feed comprises the pyrolysis oil in a known        concentration;    -   (b) converting the processing unit feed into one or more        processing unit output streams, a portion of each output stream        comprising at least one circular product, wherein the weight or        the fraction of each circular product attributable to the        pyrolysis oil or plastic waste is determined by mass balance;        and    -   (c) certifying any one or more of the products in the processing        unit output streams as Circular in accordance with International        Sustainability and Carbon Certification (ISCC) standards, based        upon the weight or fraction of the circular product attributable        to the pyrolysis oil or plastic waste determined by mass balance        and the free attribution method.

Aspect 182. A process for producing chemicals or polymers from plasticwaste according to Aspect 181, wherein a petroleum-based or a fossilfuel-based feed is not co-fed with the pyrolysis oil into the primaryprocessing unit.

Aspect 183. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 157-182, wherein the pyrolysis oil ispresent in the primary processing unit feed in a concentration of 100 wt%.

Aspect 184. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 157-182, wherein the pyrolysis oil ispresent in the primary processing unit feed in a concentration of fromabout 0.1 wt % to about 25 wt %; alternatively, from about 0.2 wt % toabout 22 wt %; alternatively, from about 0.5 wt % to about 20 wt %;alternatively, from about 1 wt % to about 18 wt %; alternatively, fromabout 2 wt % to about 17 wt %; alternatively, from about 5 wt % to about15 wt %; or alternatively, from about 8 wt % to about 12 wt %.

Aspect 185. A process for producing chemicals or polymers from plasticwaste according to any of Aspects 157-182, wherein the pyrolysis oil ispresent in the primary processing unit feed in a concentration of fromabout 25 wt % to about 100 wt %, alternatively, from about 30 wt % toabout 98 wt %; alternatively, from about 35 wt % to about 95 wt %;alternatively, from about 40 wt % to about 90 wt %; alternatively, fromabout 45 wt % to about 85 wt %; or alternatively, from about 50 wt % toabout 80 wt %.

Aspect 186. A process for producing chemicals or polymers from plasticwaste according to any of the preceding Aspects, wherein the pyrolysisoil is present in the primary processing unit feed in a concentration ofabout 0 wt %, about 5 wt %, about 10 wt %, about 15 wt %, about 20 wt %,about 25 wt %, about 30 wt %, about 35 wt %, about 40 wt %, about 45 wt%, about 50 wt %, about 55 wt %, about 60 wt %, about 65 wt %, about 70wt %, about 75 wt %, about 80 wt %, about 85 wt %, about 90 wt %, about95 wt %, about 97 wt %, about 99 wt %, about 100 wt %, or any range orcombination of ranges therebetween.

We claim:
 1. A process for producing chemicals or polymers from plasticwaste, the process comprising: (a) providing a pyrolysis oil fromplastic waste, wherein the pyrolysis oil comprises C₂-C₅ hydrocarbonsand C₆₊ hydrocarbons; (b) separating at least a portion of the pyrolysisoil into a pyrolysis gas stream comprising C₂-C₅ hydrocarbons and apyrolysis liquid stream comprising C₆₊ hydrocarbons; (c) optionally,further providing a petroleum-based feed, a fossil fuel-based feed, or abio-based feed into the pyrolysis gas stream, the pyrolysis liquidstream, or both; (d) introducing [i] the pyrolysis gas stream, thepyrolysis liquid stream, the pyrolysis oil, or any combination thereof,and [ii] when present, the petroleum-based feed, the fossil fuel-basedfeed, or the bio-based feed, each at a known feed rate, into one or moreprimary processing units, thereby providing one or more primaryprocessing unit feeds, each comprising at least a portion of thepyrolysis gas stream, the pyrolysis liquid stream, the pyrolysis oil, orany combination thereof in a known concentration; and (e) converting theone or more primary processing unit feeds into one or more primaryprocessing unit output streams, a portion of each output streamcomprising at least one circular product, wherein the weight or thefraction of each circular product attributable to the pyrolysis oil orplastic waste is determined by mass balance.
 2. A process for producingchemicals or polymers from plastic waste according to claim 1, wherein:at least one circular product in the one or more primary processing unitoutput streams is certified as Circular in accordance with InternationalSustainability and Carbon Certification (ISCC) standards, based upon theweight or fraction of the circular product attributable to the pyrolysisoil or plastic waste determined by mass balance and a free attributionmethod.
 3. A process for producing chemicals or polymers from plasticwaste according to claim 1, wherein the pyrolysis gas is present in oneor more primary processing unit feeds in a concentration of up to 100 wt%.
 4. A process for producing chemicals or polymers from plastic wasteaccording to claim 1, wherein the pyrolysis liquid is present in one ormore primary processing unit feeds in a concentration of up to 100 wt %.5. A process for producing chemicals or polymers from plastic wasteaccording to claim 1, wherein one or more primary processing unit feedcomprises the pyrolysis oil in a concentration of from about 25 wt % toabout 100 wt %.
 6. A process for producing chemicals or polymers fromplastic waste according to claim 1, wherein [i] the pyrolysis gas streamand [ii] the petroleum-based feed, the fossil fuel-based feed, or thebio-based feed are introduced into one or more primary processing units.7. A process for producing chemicals or polymers from plastic wasteaccording to claim 1, wherein [i] the pyrolysis liquid stream and [ii]the petroleum-based feed, the fossil fuel-based feed, or the bio-basedfeed, are introduced into one or more primary processing units.
 8. Aprocess for producing chemicals or polymers from plastic waste accordingto claim 1, wherein the petroleum-based feed, the fossil fuel-basedfeed, and the bio-based feed, are not provided into the pyrolysis gasstream and are absent from the one or more primary processing units. 9.A process for producing chemicals or polymers from plastic wasteaccording to claim 1, wherein the pyrolysis oil is characterized by anyof the following properties: (i) a Pour Point (ASTM D97 or ISO:3016) ofless than or equal to about −40° C.; (ii) a Kinematic Viscosity (ASTMD445 or ISO:3104) of any one or more of (A) about 3.0 mm²/s or fromabout 2 cSt to about 20 cSt (100° C.), (B) 11.0 mm²/s (40° C.), or (C)about 76.0 mm²/s (0° C.); (iii) a Flash point (ISO:2719) of greater thanor equal to about 140° C.; or (iv) a dielectric breakdown voltage (ASTMD1816) of from about 10 kV/mm to about 60 kV/mm.
 10. A process forproducing chemicals or polymers from plastic waste according to claim 9,wherein the pyrolysis oil is characterized by any one of the properties(i)-(iv).
 11. A process for producing chemicals or polymers from plasticwaste according to claim 9, wherein the pyrolysis oil is characterizedby any two of the properties (i)-(iv).
 12. A process for producingchemicals or polymers from plastic waste according to claim 9, whereinthe pyrolysis oil is characterized by any three of the properties(i)-(iv).
 13. A process for producing chemicals or polymers from plasticwaste according to claim 9, wherein the pyrolysis oil is characterizedby all four of the properties (i)-(iv).
 14. A process for producingchemicals or polymers from plastic waste according to claim 1, whereinthe pyrolysis oil is characterized by any of the following properties:(a) a Reid Vapor Pressure, psia @ 100° F. (ASTM-D-5191) of from 5 psia @100° F. to 15 psia @ 100° F.; (b) an Upper Pour, ° F. (ASTM D-97 orD5950-14) of from 75° F. to 200° F.; (c) a sulfur concentration, wt %(ASTM D-4294 or D2622) of from 0.2 wt % to 1.5 wt %; (d) a nitrogenconcentration, ppm (ASTM D-4629 or D5762) of from 2250 ppm to 4450 ppm;(e) a water by dist. concentration, wt % (ASTM D-95) of from 0.1 wt % to0.9 wt %; (f) a sodium concentration, ppm (ASTM D-5185) of from 2.5 ppmto 8.5 ppm; (g) a nickel concentration, ppm (ASTM D-5185) of from 1.5ppm to 10.5 ppm; (h) a vanadium concentration, ppm (ASTM D-5185) of from2.0 ppm to 12.5 ppm; (i) an iron concentration, ppm (ASTM D-5185) offrom 2.0 ppm to 10.5 ppm; (j) a copper concentration, ppm (ASTM D-5185)of from 0.5 ppm to 4.5 ppm; (k) a BS&W, vol % (ASTM D-2709) of from 0.1vol % to 1.0 vol % based on water volume without sediment; (l) an AcidNumber, mg/KOH/g (ASTM D664) of from 0.01 mg/KOH/g to 2.0 mg/KOH/g; (m)a chloride concentration, ppm (UOP 588) of from 22.5 ppm to 100 ppm; (n)a Distillation End Point, ° F. (D86 or D2887) of from 600° F. to 1600°F.; (o) a Filterable Solids Content, wt % (PR 1826) of from 0.04 wt % to0.15 wt %; (p) a Heptane Insolubles Content, wt % (ASTM D-3279) of from0.03 wt % to 0.13 wt %; (q) a fluoride concentration, ppm (ASTM D-7359)of from the detectable limit to 25 ppm; (r) a silicon concentration, ppm(ASTM D-5185) of from the detectable limit to 25 ppm; or (s) aphosphorus concentration, ppm (ASTM D-5185) of from the detectable limitto 25 ppm.
 15. A process for producing chemicals or polymers fromplastic waste according to claim 1, wherein the one or more of theprimary processing unit feeds comprise, independently, a C₆₊ hydrocarbonfraction of petroleum, aromatic hydrocarbon mixtures, aliphatichydrocarbon mixtures, hydrogen, naphtha, liquefied petroleum gas (LPG),a refinery-transfer stream, natural gas liquids, ethylene, propylene,ethane, propane, butane, hexane, octane, decane, dodecane, 1-butene,1-pentene, 1-hexene, 1-heptene, 1-octene, 1-nonene, 1-decene,1-dodecene, 1-tetradecene, 1-hexadecene, 1-octadecene, butadiene,benzene, toluene, xylenes, ethylbenzene, styrene, cyclohexane,methylcyclohexane, adipic acid, adiponitrile, hexamethylene diamine(HMDA), caprolactam, tetradecene, hexadecane, or octadecene.
 16. Aprocess for producing chemicals or polymers from plastic waste accordingto claim 15, wherein the aliphatic hydrocarbon mixtures comprise amixture of propylene-propane, a mixture of ethylene-ethane, a mixture ofC₂-C₅ hydrocarbons, a mixture of C₄-C₃₀₊ Normal Alpha Olefins, a mixtureof C₂₀-C₂₄ polyenes, a mixture of C₂₄-C₂₈ polyenes, or a C₃₀₊ polyene.17. A process for producing chemicals or polymers from plastic wasteaccording to claim 16, wherein the mixture of C₄-C₃₀₊ Normal AlphaOlefins further comprises a mixture of C₂₀-C₂₄ Normal Alpha Olefins, amixture of C₂₄-C₂₈ Normal Alpha Olefins, or a mixture of C₃₀₊ NormalAlpha Olefins.
 18. A process for producing chemicals or polymers fromplastic waste according to claim 1, wherein the one or more primaryprocessing units are selected independently from a refinery crude unit,a separation unit, a hydroprocessing unit, a fluid catalytic cracking(FCC) unit, an FCC pre-treating unit upstream of a fluid catalyticcracking (FCC) unit, a steam cracking unit (liquid or gas), a naturalgas liquids (NGL) unit, a reforming (aromatics) unit, an alkylationreactor, an aromatics purification unit, a polymerization reactor, anolefin oligomerization unit, an isomerization reactor, a metathesisreactor, a hydroformylation unit, a dehydroformylation unit, anoxidation unit, a reduction unit, a nitration unit, an amination unit, anitrile unit, an amidation unit, a hydrogenation unit, a Fischer-Tropschreactor, a methanol-to-olefins reactor, an alkylation unit, a catalyticdehydrogenation unit, a polyester unit, a polyamide unit, or acombination thereof.
 19. A process for producing chemicals or polymersfrom plastic waste according to claim 18, wherein the separation unit isselected from an atmospheric distillation unit and a vacuum distillationunit.
 20. A process for producing chemicals or polymers from plasticwaste according to claim 1, wherein a natural or a synthetic antioxidantis combined with the pyrolysis oil in a concentration of ≤2500 mMolantioxidant/kg of pyrolysis oil.
 21. The process for producing chemicalsor polymers from plastic waste according to claim 1, wherein thepyrolysis oil is pretreated to remove chloride-containing contaminantsand/or fluoride-containing contaminants.
 22. A process for producingchemicals or polymers from plastic waste according to claim 1, whereinthe petroleum-based feed, the fossil fuel-based feed, or the bio-basedfeed comprises petroleum or natural gas liquids (NGL), renewablefeedstocks, or combinations thereof.
 23. A process for producingchemicals or polymers from plastic waste according to claim 1, whereinthe process further comprises: (f) transferring at least a portion ofthe one or more primary processing unit output streams, each at a knownfeed rate, into one or more secondary or subsequent processing units,thereby providing one or more secondary or subsequent processing unitfeeds, each comprising a circular product in a known concentration; and(g) converting the one or more secondary or subsequent processing unitfeeds into one or more secondary or subsequent processing unit outputstreams, a portion of each output stream comprising at least onecircular product, wherein the weight or the fraction of each circularproduct attributable to the pyrolysis oil or plastic waste is determinedby mass balance; and (h) optionally, repeating steps (f) and (g) one ormore times by: [1] transferring at least a portion of the one or moresecondary or subsequent processing unit output streams, each at a knownfeed rate, into one or more tertiary or subsequent processing units,thereby providing one or more tertiary or subsequent processing unitfeeds, each comprising a circular product in a known concentration; and[2] converting the one or more tertiary or subsequent processing unitfeeds into one or more tertiary or subsequent processing unit outputstreams, a portion of each output stream comprising at least onecircular product, wherein the weight or the fraction of each circularproduct attributable to the pyrolysis oil or plastic waste is determinedby mass balance.
 24. A process for producing chemicals or polymers fromplastic waste according to claim 22, wherein: at least one circularproduct in the one or more primary processing unit output streams, theone or more secondary processing unit output streams, or the one or moretertiary or subsequent processing unit output streams is certified asCircular in accordance with International Sustainability and CarbonCertification (ISCC) standards, based upon the weight or fraction of thecircular product attributable to the pyrolysis oil or plastic wastedetermined by mass balance and a free attribution method.
 25. Theprocess for producing chemicals or polymers from plastic waste accordingto claim 23, wherein steps (f) and (g) are repeated 1, 2, 3, 4, 5, 6, 7,8, 9, or 10 times.
 26. A process for producing chemicals or polymersfrom plastic waste according to claim 23, wherein: the petroleum-based,fossil fuel-based, or bio-based feed comprises natural gas liquids(NGL).
 27. A process for producing chemicals or polymers from plasticwaste according to claim 23, wherein any one or more of the primaryprocessing unit feeds, the secondary processing unit feeds, the tertiaryprocessing unit feeds, or the subsequent processing unit feeds is acircular or a non-circular feed, comprising a C₆₊ hydrocarbon fractionof petroleum, aromatic hydrocarbon mixtures, aliphatic hydrocarbonmixtures, hydrogen, naphtha, liquefied petroleum gas (LPG), a refinerytransfer stream, natural gas liquids, ethylene, propylene, ethane,propane, butane, hexane, octane, decane, dodecane, 1-butene, 1-pentene,1-hexene, 1-heptene, 1-octene, 1-nonene, 1-decene, 1-dodecene,1-tetradecene, 1-hexadecene, 1-octadecene, butadiene, benzene, toluene,xylenes, ethylbenzene, styrene, cyclohexane, methylcyclohexane, adipicacid, adiponitrile, hexamethylene diamine (HMDA), caprolactam,tetradecene, hexadecane, or octadecene.
 28. A process for producingchemicals or polymers from plastic waste according to claim 27, whereinthe aliphatic hydrocarbon mixtures comprise a mixture ofpropylene-propane, a mixture of ethylene-ethane, a mixture of C₂-C₅hydrocarbons, a mixture of C₄-C₃₀₊ Normal Alpha Olefins, a mixture ofC₂₀-C₂₄ polyenes, a mixture of C₂₄-C₂₈ polyenes, or a C₃₀₊ polyene. 29.A process for producing chemicals or polymers from plastic wasteaccording to claim 28, wherein the mixture of C₄-C₃₀₊ Normal AlphaOlefins comprise a mixture of C₂₀-C₂₄ Normal Alpha Olefins, a mixture ofC₂₄-C₂₈ Normal Alpha Olefins, or a mixture of C₃₀₊ Normal Alpha Olefins.30. A process for producing chemicals or polymers from plastic wasteaccording to claim 23, wherein the one or more primary processing units,the one or more secondary processing units, the one or more tertiaryprocessing units, or the one or more subsequent processing units areselected independently from a refinery crude unit, a separation unit, ahydroprocessing unit, a fluid catalytic cracking (FCC) unit, an FCCpre-treating unit upstream of a fluid catalytic cracking (FCC) unit, asteam cracking unit (liquid or gas), a natural gas liquids (NGL) unit, areforming (aromatics) unit, an alkylation reactor, an aromaticspurification unit, a polymerization reactor, an olefin oligomerizationunit, an isomerization reactor, a metathesis reactor, a hydroformylationunit, a dehydroformylation unit, an oxidation unit, a reduction unit, anitration unit, an amination unit, a nitrile unit, an amidation unit, ahydrogenation unit, a Fischer-Tropsch reactor, a methanol-to-olefinsreactor, an alkylation unit, a catalytic dehydrogenation unit, apolyester unit, a polyamide unit, or a combination thereof.
 31. Aprocess for producing chemicals or polymers from plastic waste accordingto claim 30, wherein the separation unit is selected from an atmosphericdistillation unit and a vacuum distillation unit.
 32. A process forproducing chemicals or polymers from plastic waste according to claim23, wherein: (i) the primary processing unit is a cracker; and (ii) theone or more primary processing unit output streams comprises circularethylene, propylene, benzene, toluene, or xylenes.
 33. A process forproducing chemicals or polymers from plastic waste according to claim32, wherein: (iii) the one or more secondary processing unit outputstreams, the one or more tertiary processing unit output streams, or theone or more subsequent processing unit output streams comprise acircular chemical selected independently from xylenes, p-xylene,hydrogen, styrene, ethylbenzene, cyclohexane, nylon, butadiene,butadiene feedstock (BDFS), rubber, polybutadiene rubber (PBR),styrene-butadiene rubber (SBR), nitrile-butadiene rubber (NBR),polychloroprene rubber (neoprene), a mixture of C₄-C₃₀₊ Normal AlphaOlefins, 1-butene, 1-pentene, 1-hexene, 1-heptene, 1-octene, 1-nonene,1-decene, 1-dodecene, 1-tetradecene, 1-hexadecene, 1-octadecene,polyethylene homopolymers and copolymers, polypropylene homopolymers andcopolymers, a polyalphaolefin comprising a C₂₀-C₂₄ polyene, apolyalphaolefin comprising a C₄-C₃₀₊ normal alpha olefin monomeric unit,a C₂₄-C₂₈ polyene, a C₃₀₊ polyene, mixed decenes, mercaptans, organicsulfides, or betamercaptoethanol, the weight or fraction of which isattributable to the pyrolysis oil or plastic waste is determined by massbalance.
 34. A process for producing chemicals or polymers from plasticwaste according to claim 33, further comprising the step of using thecircular chemical in the manufacture of synthetic oil, additives foroil, detergents, L-cysteine, mining chemicals, sulfonated asphalt,transformer oils, dielectric fluids, and greases.
 35. A process forproducing chemicals or polymers from plastic waste according to claim33, wherein the organic sulfides comprise one or more of methyl ethylsulfide (MES), dimethyl sulfide (DMS), and dimethyl disulfide (DMDS), orwherein the mercaptans comprise methyl mercaptan (MeSH).
 36. A processfor producing chemicals or polymers from plastic waste according toclaim 33, wherein the mercaptans comprise methyl mercaptan (MeSH).
 37. Aprocess for producing chemicals or polymers from plastic waste accordingto claim 23, wherein at least one circular product comprises C₄-C₃₀₊normal alpha olefins, ethane, propane, butane, hexane, octane, decane,dodecane, propylene, 1-butene, 2-butene, 1-pentene, 1-hexene, 1-heptene,1-octene, 1-nonene, 1-decene, 1-dodecene, 1-tetradecene, 1-hexadecene,1-octadecene, a mixture of C₄-C₃₀₊ Normal Alpha Olefins, acetylene,hydrogen, isoprene, debutanized aromatic concentrate, amylene, benzenetoluene xylenes stream, ethylene-rich gas, propane propylene mix,dicyclopentadiene, propylene in polypropylene mix, polyethylenehomopolymers, polyethylene copolymers, ethylene-ionomer copolymers,ethylene-propylene elastomers, chlorosulfonated polyethylene,polypropylene homopolymers, polypropylene copolymers, polyalphaolefin,poly(l-butene) polymers and copolymers, poly(l-pentene) polymers andcopolymers, poly(l-hexene) polymers and copolymers, poly(l-heptene)polymers and copolymers, poly(l-octene) polymers and copolymers,poly(l-nonene) polymers and copolymers, poly(l-decene) polymers andcopolymers, poly(l-dodecene) polymers and copolymers,poly(l-tetradecene) polymers and copolymers, poly(l-hexadecene) polymersand copolymers, poly(l-octadecene) polymers and copolymers, vinylchloride, ethylbenzene, acetaldehyde, vinyl acetate, poly(vinyl acetate)homopolymers, poly(vinyl acetate) copolymers, poly(vinyl chloride)homopolymers, poly(vinyl chloride) copolymers, vinyl chloride-vinylacetate copolymers, 1,1,2-trichloroethane, vinylidene chloride,polyvinylidene chloride, ethylene oxide, ethylene glycol, poly(ethyleneterephthalate), polyethylene glycol-polyalkylene glycol copolymers,ethoxylated phenols, ethoxylated amines, diethylene glycol, polyesters,unsaturated polyester, polyester polyols, adipic acid, polyurethaneresins, hydroxyethyl starch, hydroxyethyl gums, hydroxyethyl cellulose,polystyrene, styrene-butadiene copolymers,acrylonitrile-butadiene-styrene (ABS) terpolymers, styrene-acrylonitrilecopolymers, polyester resins, styrene-divinylbenzene resin,styrene-alkyd copolymers, styrene-maleic anhydride copolymers,acetaldehyde, pentaerythritol, alkyd resins, acetic acid, ethylene-vinylacetate copolymers, poly(vinyl alcohol), poly(vinyl butyral), poly(vinylformal), acrylonitrile, propylene oxide, cumene, n-butyraldehyde,isobutyraldehyde, allyl chloride, acrylic acid esters, methyl alcohol,ethyl alcohol, isopropyl alcohol, polyacrylonitrile, modacryliccopolymers, styrene acrylonitrile resin (SAN), nitrile elastomers,acrylonitrile copolymers, hexamethylene diamine, acrylamide,polyacrylamide homopolymers, polyacrylamide copolymers, propyleneglycol, poly(ethylene glycol) homopolymers, poly(ethylene glycol)copolymers, poly(propylene glycol) homopolymers, poly(propylene glycol)copolymers, poly(vinyl butyral), n-butyric acid, n-butyric anhydride,cellulose acetate butyrate, neopentyl glycol, polyurethanes,epichlorohydrin epoxy resins, acrylic acid esters, acrylic homopolymersand copolymers, acetone, bisphenol A, epoxy resins, polycarbonates,polysulfones, methyl acrylate, methyl methacrylate, methacrylic acid,poly(methyl methacrylate) homopolymers, poly(methyl methacrylate)copolymers, poly(methacrylate) homopolymers, poly(methacrylate)copolymers, mixed butenes and butane, maleic anhydride, butylene oxide,mixed butenes, isobutene, butane, butadiene, polybutadiene elastomer,polybutadiene resins, nylons, chloroprene, neoprene elastomer,1,5-cyclooctadiene, ethylene-propylene terpolymer elastomer,1,5,9-cyclododecatriene, dodecanoic acid, nylon 6,12, qiana, lauryllactam, nylon 12, OH-terminated polymers and copolymers, polyurethaneelastomers, 1,4-hexadiene, styrene-maleic anhydride copolymer, butyleneoxide, poly(butylene oxide) poly(butenes), poly(isobutene), butylrubber, drilling fluids, waxes, aromatic compounds, sulfolene,sulfolane, rubbers, methyl ethyl sulfide (MES), methyl mercaptan (MeSH),dimethyl sulfide, dimethyl disulfide, sulfonated asphalt (SAS),benzenesulfonic acid, chlorobenzene, cyclohexane, nitrobenzene,dinitrotoluenes, toluene diisocyanate, urethanes, phenol, phenolicresins, 2,6-xylenol, poly(phenylene oxide), phenylene oxide, adipicacid, nylon 66, caprolactam, nylon 6, aniline, polymeric isocyanates,phthalic anhydride, isophthalic acid, polyamide resins, diphenylisophthalate, polybenzimidazoles, terephthalic acid, poly(ethyleneterephthalate), poly(butylene terephthalate), methane, formaldehyde,carbon dioxide, carbon disulfide, hydrogen cyanide, chloroform,acetylene, urea, urea-formaldehyde resins, melamine-formaldehyde resins,phenol-formaldehyde resins, polyformaldehyde polymers and copolymers(acetal resins), alky resins, aniline-formaldehyde resins, butanediol,poly(butylene terephthalate), phosgene, isocyanates, regeneratedcellulose, hydrogen cyanide, cellulose acetate, tetrafluoroethylene,poly(tetrafluoroethylene), acetylene, acrylate esters, vinyl fluoride,poly(vinyl fluoride), 1,4-butandiol, vinylpyrrolidone, orpoly(vinylpyrrolidone), the weight or fraction of which is attributableto the pyrolysis oil or plastic waste is determined by mass balance. 38.A process for producing chemicals or polymers from plastic wasteaccording to claim 37, wherein the ethylene-rich gas is ethylene.
 39. Aprocess for producing chemicals or polymers from plastic waste accordingto claim 37, wherein the aromatic compounds comprise styrene,divinylbenzene, benzene, toluene, or one or more of o-xylene, m-xylene,and p-xylene.
 40. A process for producing chemicals or polymers fromplastic waste according to claim 23, wherein the primary processing unitoutput stream comprises circular ethylene; and the secondary processingunit output stream, the tertiary output processing stream, or thesubsequent processing unit output stream is selected from circularpolyethylene homopolymers, polyethylene copolymers, ethylene-ionomercopolymers, ethylene-propylene elastomers, chlorosulfonatedpolyethylene, vinyl chloride, ethylene oxide, ethylbenzene,acetaldehyde, vinyl acetate, or polyvinyl acetate, the weight orfraction of which is attributable to the pyrolysis oil or plastic wasteis determined by mass balance.
 41. A process for producing chemicals orpolymers from plastic waste, the process comprising: (a) providing apyrolysis oil from plastic waste, wherein the pyrolysis oil comprisesC₂-C₅ hydrocarbons and C₆₊ hydrocarbons; (b) separating at least aportion of the pyrolysis oil into a pyrolysis gas stream comprisingC₂-C₅ hydrocarbons and a pyrolysis liquid stream comprising C₆₊hydrocarbons; (c) introducing into a processing unit a processing unitfeed comprising the pyrolysis gas stream, the pyrolysis liquid stream,the pyrolysis oil, or any combination thereof in a known concentration;(d) converting the processing unit feed into one or more processing unitoutput streams, a portion of each output stream comprising at least onecircular product, wherein the weight or the fraction of each circularproduct attributable to the pyrolysis oil or plastic waste is determinedby mass balance; wherein any one or more of the products in theprocessing unit output streams is certified as Circular in accordancewith International Sustainability and Carbon Certification (ISCC)standards, based upon the weight or fraction of the circular productattributable to the pyrolysis oil or plastic waste determined by massbalance and a free attribution method; and wherein the pyrolysis oil ischaracterized by any of the following properties: (i) a Pour Point (ASTMD97 or ISO:3016) of less than or equal to about −40° C.; (ii) aKinematic Viscosity (ASTM D445 or ISO:3104) of any one or more of (ii′)about 3.0 mm²/s or from about 2 cSt to about 20 cSt (100° C.), (ii″)11.0 mm²/s (40° C.), or (ii′″) about 76.0 mm²/s (0° C.); (iii) a Flashpoint (ISO:2719) of greater than or equal to about 140° C.; or (iv) adielectric breakdown voltage (ASTM D1816) of from about 10 kV/mm toabout 60 kV/mm.
 42. A process for producing chemicals or polymers fromplastic waste according to claim 41, wherein the pyrolysis oil ischaracterized by any one of the properties (i)-(iv).
 43. A process forproducing chemicals or polymers from plastic waste according to claim41, wherein the pyrolysis oil is characterized by any two of theproperties (i)-(iv).
 44. A process for producing chemicals or polymersfrom plastic waste according to claim 41, wherein the pyrolysis oil ischaracterized by any three of the properties (i)-(iv).
 45. A process forproducing chemicals or polymers from plastic waste according to claim41, wherein the pyrolysis oil is characterized by all four of theproperties (i)-(iv).